[ { "id": "black-pepper-ground", "schema_version": 3, "name": "Ground Black Pepper", "synonyms": [ "ground black pepper", "black pepper powder", "ground pepper", "fine ground black pepper", "table grind black pepper", "black pepper ground" ], "category": "spice", "default_state": "standard", "confidence": "low", "states": [ { "id": "standard", "label": "Standard, spooned and leveled (table grind)", "density_g_per_ml": null, "range_min": 0.4692, "range_max": 0.5664, "withheld": true, "withheld_reason": "Ground black pepper shows a ~21% spread from 111 g/cup (USDA table-grind laboratory fill) to 134 g/cup (settled retail brands, fine and coarse both observed at this density due to jar-settling dominance). Grind coarseness (fine vs table vs coarse vs cracked) is a first-order density variable for pepper in a way it is not for softer spices — freshly-milled coarse grinds pack noticeably lighter than settled fine-grind commercial jars.", "sources": [ { "name": "USDA FoodData Central — Spices, pepper, black", "ref": "USDA SR Legacy entry (NDB 2030, FDC 170931) lists 1 tablespoon ground = 7 g and 1 teaspoon ground = 2.3 g, both consistent with approximately 112 g per US cup (7 × 16 tbsp/cup, 2.3 × 48 tsp/cup = 110.4 g/cup — the tsp portion is slightly lighter due to rounding). Represents standard table-grind laboratory fill and anchors the low end of the published range.", "fdc_id": 170931, "density_g_per_ml": 0.4734 }, { "name": "FreeFoodTips ingredient reference", "ref": "Reports 117 g per metric cup (250 mL) = 111 g per US cup, with 6.99 g per tablespoon and 2.33 g per teaspoon. Essentially identical to USDA — validates the table-grind anchor.", "density_g_per_ml": 0.4692 }, { "name": "Chefs-Resources professional kitchen conversion chart", "ref": "Categorises ground black pepper as a medium-density spice at 0.40 teaspoons per gram, which extrapolates to 120 g per US cup (48 tsp/cup ÷ 0.40 tsp/g). Explicitly notes that coarse-ground pepper is lighter per gram than fine-ground: 'If you switch suppliers or grind in-house, verify your conversions still hold.' Represents settled commercial jar density for standard table grind.", "density_g_per_ml": 0.5072 }, { "name": "ChefSolver (finely-ground reference)", "ref": "Publishes 0.54 g/mL density for finely-ground black pepper, which extrapolates to 128 g per US cup (2.7 g per teaspoon). Notes: 'Freshly ground pepper is coarser and less dense, typically weighing 10-20% less per teaspoon than finely pre-ground powder. Add 10-15% to table values if your grind is noticeably coarser.' Represents the fine-grind end of the market.", "density_g_per_ml": 0.54 }, { "name": "Ground Black Pepper UPC 078742230320 (aqua-calc branded, fine)", "ref": "Reports 142 g per metric cup (4.7 oz per US cup = 134 g/cup) for a specific fine-ground commercial retail brand. Represents settled retail jar density at the high end of the observed range.", "density_g_per_ml": 0.5664 }, { "name": "Coarse Ground Black Pepper UPC 016291441378 (aqua-calc branded)", "ref": "Reports 142 g per metric cup (4.7 oz per US cup = 134 g/cup) for a specific coarse-ground commercial retail brand — notably the same density as the fine-ground UPC 078742230320. Suggests that shelf-life settling in retail jars dominates over grind coarseness for the final measured density in fully-settled commercial packaging.", "density_g_per_ml": 0.5664 }, { "name": "King Arthur Baking (KA-blind)", "ref": "King Arthur does not publish a per-cup, per-tablespoon, or per-teaspoon weight for ground black pepper in their Ingredient Weight Chart. KA's recipes specify pepper only by volume (typically 1/4 to 1/2 tsp for savoury dishes and gingerbread with pepper). No KA correction applies to this entry." } ], "verified": "2026-09-22", "last_reviewed": "2026-09-22" } ], "yields": [], "notes": "TL;DR: **One US cup of ground black pepper weighs 111 to 134 g depending on grind coarseness and how settled the jar is — USDA's reference for table grind is 112 g/cup (7 g per tablespoon, 2.3 g per teaspoon).** King Arthur does not publish a per-cup weight for black pepper, leaving no anchor to correct against. The 21% spread is driven by fine-vs-coarse grind differences and jar-settling over shelf life — grind size matters here more than for any other spice in the ExactCups catalogue.\n\nGround black pepper is the dried unripe green berry of *Piper nigrum*, a climbing vine native to the Malabar Coast of southwest India. The green drupes are picked before ripening, briefly blanched in hot water to rupture cell walls, then sun-dried for several days until the outer skin oxidises to the familiar wrinkled black exterior. Commercial supply today comes primarily from Vietnam (the world's largest producer), India, Indonesia, Brazil, Malaysia, and Sri Lanka, with Malabar and Tellicherry grades from India commanding premium prices for their higher piperine content and larger berry size. The active alkaloid is piperine at 5-9% by weight, responsible for pepper's pungency; the volatile oil (1-3%) carries the aromatic top notes that dissipate within days of grinding.\n\nThe density spread is driven by grind coarseness in a way that doesn't apply to softer spices. USDA FoodData Central FDC 170931 lists 7 g per tablespoon and 2.3 g per teaspoon for standard table grind, extrapolating to 112 g per US cup. FreeFoodTips independently reports 6.99 g per tablespoon (111 g/US cup) — essentially identical to USDA. Chefs-Resources' professional kitchen chart lands at 120 g/cup for standard commercial ground pepper and notes explicitly that coarse-ground pepper is lighter per gram than fine-ground. ChefSolver publishes 0.54 g/mL (128 g/cup) as the density for finely-ground pepper specifically, and recommends adding 10-15% to their table values for coarser grinds. Aqua-calc's USDA-branded entries for two specific retail brands — one fine (UPC 078742230320) and one coarse (UPC 016291441378) — both report 142 g per metric cup (134 g per US cup), suggesting that shelf-life settling in commercial jars dominates over the initial grind coarseness for final measured density. That is a 21% spread from USDA's table-grind laboratory fill to fully-settled retail — over ExactCups' 10% milled tolerance and honestly published as a range.\n\nThe physical density check validates cluster placement. Black pepper is 64% carbohydrate (fibre-dominant from the hard woody peppercorn outer layer), 10% protein, 3% fat, 12% water, and 4% ash. The fat content is low, but the woody peppercorn structure grinds to a denser fine powder than plant-material spices at similar composition. In the ExactCups milled category, ground black pepper (111-134 g/cup) sits denser than fibrous ground ginger (80-104 g/cup, similar low-fat composition), overlaps ground allspice (96-116 g/cup) and ground nutmeg (112 g/cup) at the low end, and approaches ground turmeric (144 g/cup, waxy) at the fine-grind upper bound.\n\nGrind coarseness is the practical variable to name. Fine grind (extra-fine, powder) is the densest at 128-134 g/cup and disperses most evenly through dry rubs and sauces; it also releases piperine and volatile oils fastest, going stale within 3-4 months of milling. Table grind (medium, the McCormick standard shaker fill) sits at 112-120 g/cup and is the reference for most recipes. Coarse grind (cracked pepper, mignonette) is roughly 10-15% lighter than table grind — approximately 100-105 g/cup freshly milled — and preserves pungency longest because less surface area is exposed to air. Freshly-ground pepper from a mill sits at the coarse-to-medium end; pre-ground shaker pepper is invariably at the fine end after any shelf time.\n\nPractical cook recommendation: for weighed cooking, use USDA's 7 g per tablespoon or 2.3 g per teaspoon for table grind, and expect 111-120 g per cup from freshly milled to lightly-settled fill and up to 134 g/cup from a well-settled retail jar of pre-ground fine pepper. For steak rubs, brines, and anything where pepper drives the flavour intensity, grind whole peppercorns fresh — the piperine loss in pre-ground pepper is measurable within weeks, and no weight adjustment on the scale compensates for the lost aromatic complexity." }, { "id": "cayenne-pepper", "schema_version": 3, "name": "Cayenne Pepper (Ground)", "synonyms": [ "cayenne pepper", "cayenne", "ground cayenne", "ground cayenne pepper", "cayenne powder", "ground red pepper" ], "category": "spice", "default_state": "standard", "confidence": "low", "states": [ { "id": "standard", "label": "Standard, spooned and leveled", "density_g_per_ml": null, "range_min": 0.3584, "range_max": 0.4266, "withheld": true, "withheld_reason": "USDA SR Legacy (84.8 g/cup) and an independent foodservice cup measurement (100.9 g/cup) differ by 19.0%, beyond the 10% spice tolerance. Product identity varies: commercial cayenne may blend several hot pepper varieties and may or may not include seeds.", "sources": [ { "name": "USDA FoodData Central (SR Legacy): Spices, pepper, red or cayenne", "ref": "Portion weights of 1.8 g per teaspoon and 5.3 g per tablespoon. Tablespoon basis x16 = 84.8 g/cup (range minimum); teaspoon basis x48 = 86.4 g/cup.", "fdc_id": 170932, "density_g_per_ml": 0.3584 }, { "name": "Chef's Resources dry spice conversion table", "ref": "Foodservice table measured across several vendors: cayenne 3.56 oz per cup = 100.9 g/cup (range maximum); tablespoon (4.50 per oz) and teaspoon (13.50 per oz) columns agree. The page's prose rule of 0.45 tsp per gram works out to 107 g/cup.", "density_g_per_ml": 0.4266 } ], "verified": "2026-09-23", "last_reviewed": "2026-09-23" } ], "yields": [], "notes": "A US cup of ground cayenne pepper weighs between 85 and 101 grams, and ExactCups publishes that range rather than a single figure because USDA's reference weight and an independent foodservice measurement differ by 19%, beyond the 10% tolerance held for spices.\n\nCayenne is a hot variety of Capsicum annuum, the same species as paprika, typically rated around 30,000 to 50,000 Scoville units. The ground spice sold as cayenne is less uniform than the name suggests. Commercial cayenne powder may be a blend of several hot pepper varieties, sometimes containing little actual cayenne, and it may be milled with or without the seeds. USDA's own record reflects this, cataloguing the spice as red or cayenne pepper rather than as a single cultivar. In US recipes, ground red pepper and cayenne are used interchangeably.\n\nUSDA's SR Legacy record lists 5.3 grams per tablespoon and 1.8 grams per teaspoon, which scale to 85 and 86 grams per cup. A foodservice conversion table built from measurements across several vendors lists cayenne at 3.56 ounces per cup, or 101 grams, with its tablespoon and teaspoon columns agreeing. The same page's rule of thumb of 0.45 teaspoons per gram works out to 107, slightly above its own table.\n\nThe variation in product identity is the most plausible driver of the spread. USDA composition shows about 17% fat, noticeably more than paprika's 13%. Pepper seeds are oil-rich, so a high fat figure is consistent with seeds milled into the powder, and a powder with seeds is a different particle mix from one milled from pod walls alone. Neither source states whether its product included seeds, which is why the range is published rather than resolved.\n\nThree nearby products are easy to confuse with cayenne and measure very differently. Crushed red pepper flakes are coarse pieces of dried pod and seed; the same foodservice table puts them at about 80 grams per cup, lighter because irregular flakes trap air. Chili powder is a blend of ground chiles with cumin, garlic, and oregano, measured in that table at about 107 grams per cup, and it is far milder. Paprika is the same species milled from sweeter, thinner-fleshed varieties and weighs about 109 grams per cup. None of these substitutes for cayenne by volume without changing both heat and weight.\n\nIn practice, a teaspoon of ground cayenne weighs 1.8 to 2.1 grams and a tablespoon 5.3 to 6.3 grams. Most recipes use cayenne by the pinch or quarter teaspoon, where heat varies from jar to jar far more than weight does, so taste as you go rather than relying on the figure. For hot sauces, rubs, and spice blends made in quantity, weigh it. Spoon it into the measure and level without pressing, avoid breathing the dust, and keep the jar tightly closed." }, { "id": "chinese-five-spice", "schema_version": 3, "name": "Chinese Five-Spice Powder", "synonyms": [ "Chinese 5 spice", "5 spice powder", "five spice powder", "five-spice blend", "wu xiang fen", "wuxiangfen" ], "category": "spice", "default_state": "standard", "confidence": "low", "states": [ { "id": "standard", "label": "Standard, spooned and leveled", "density_g_per_ml": null, "range_min": 0.324, "range_max": 0.488, "withheld": true, "withheld_reason": "Chinese five-spice is a family of blends rather than one recipe. Composition varies across brands: pepper choice (Sichuan, white, or black), cinnamon proportion, and optional aromatics (ginger, licorice root, orange peel) each shift the weight of a cup by 10-15 g. Published brand-specific USDA Branded Foods records span 77 to 116 g per US cup, a 50 percent spread over the 10 percent spice tolerance.", "sources": [ { "name": "Chef's Resources — Dry Spice Yields chart", "ref": "Table lists Chinese 5 Spice at 3.76 oz/cup (106.6 g/US cup, density 0.4505 g/mL). Same row values as Chili Powder in the same table, which is a red flag for a placeholder rather than a specific measurement of five-spice; kept here as a mid-range reference but treated with corresponding caution.", "density_g_per_ml": 0.4505 }, { "name": "USDA FoodData Central Branded — Asian Gourmet Chinese Five Spice Powder", "ref": "UPC 076606526039. Label-derived record; aqua-calc computes 81 g per metric cup (77 g per US cup, density 0.3240 g/mL). Lightest source in the observed range, likely a Sichuan-pepper-heavy or coarser-ground formulation.", "density_g_per_ml": 0.324 }, { "name": "USDA FoodData Central Branded — Dynasty Five Spices Powder", "ref": "UPC 011152030234. Ingredient panel: cinnamon, star anise, fennel, ginger, cloves, white pepper, and licorice root — a seven-ingredient formulation sold as five-spice. Label-derived record; aqua-calc computes 101 g per metric cup (96 g per US cup, density 0.4040 g/mL).", "density_g_per_ml": 0.404 }, { "name": "USDA FoodData Central Branded — The Spice Hunter Chinese Five Spice Blend", "ref": "UPC 081057012208. Ingredient panel: star anise, cloves, cinnamon, fennel, black pepper — the classic five-ingredient recipe with black pepper substituted for Sichuan. Label-derived record; aqua-calc computes 122 g per metric cup (116 g per US cup, density 0.4880 g/mL). Heaviest source, consistent with a black-pepper-inclusive formula.", "density_g_per_ml": 0.488 } ], "verified": "2026-09-23", "last_reviewed": "2026-09-23" } ], "yields": [], "notes": "Chinese five-spice powder does not have a single density. Published brands span roughly 77 to 116 g per US cup because \"five-spice\" is a category of blends rather than one recipe: pepper choice (Sichuan, white, black), cinnamon proportion, and optional aromatics (ginger, licorice root, orange peel) each shift the weight of a cup by 10-15 g.\n\nFive-spice is a traditional Chinese seasoning built around five (or more) ground aromatics, historically tied to the five elements of Chinese cosmology. The canonical composition is star anise, cloves, cassia cinnamon, Sichuan pepper, and fennel seed, but commercial blends adjust this freely. The Spice Hunter (UPC 081057012208) substitutes black pepper for Sichuan. Frontier Co-op uses white pepper. Dynasty (UPC 011152030234) adds ginger and licorice root to a seven-ingredient formulation still labeled five-spice. Badia includes ginger without licorice. House blends from Chinese specialty shops sometimes add dried orange peel or galangal. Each of these is legitimately sold as Chinese five-spice; none is the reference formula, because no reference formula exists.\n\nThe density spread across brands is real product variance, not a measurement artifact. USDA Branded Foods records surface figures ranging from 77 g per cup (Asian Gourmet) to 116 g per cup (The Spice Hunter). Chef's Resources publishes a generic 106.6 g per cup that sits mid-range, but that value appears in their table with the same row numbers as Chili Powder, which is enough of a placeholder signal that it is best treated as an approximate mid-range reference rather than an independent measurement of five-spice specifically. Dynasty's 96 g per cup sits in the middle. Total range is 50 percent wide, well beyond the 10 percent tolerance held for the spice category.\n\nThe physical driver is the pepper. Sichuan pepper is unusually light, around 57 g per cup ground, because the outer husk carries volatile oils and structural air pockets — the same structure that produces its numbing flavor makes it a low-density powder. White pepper and black pepper are much heavier, roughly 117 and 120 g per cup. A five-spice blend using a fifth of its mass as Sichuan pepper packs 8 to 10 g lighter per cup than an otherwise identical blend built on black or white pepper. Cinnamon share matters too: cassia-heavy blends gain weight (ground cinnamon runs about 128 g per cup), and licorice root and ginger, both dense powders, add mass to extended formulations. Grind coarseness overlays a further 5 to 10 percent variation, since finer grinds pack tighter and eliminate the air pockets between larger particles.\n\nBecause the range is genuine variance across products marketed under the same name, this entry publishes the range rather than a single figure. For recipes where five-spice is a background note in a sauce or braise, volume measurement is fine because the flavor tolerates the difference. For recipes where five-spice is a featured ingredient — five-spice ribs, red-cooked pork, five-spice shortbread — weigh the spice on a gram scale and note which brand you used, so a repeat bake starts from the same actual quantity rather than the same nominal one. The FDA does not define five-spice's identity and no producer body has published a canonical ratio. That freedom is a feature for cooks but a challenge for weight tables, which is why the range is published here rather than a picked-and-defended single figure." }, { "id": "garlic-powder", "schema_version": 3, "name": "Garlic Powder", "synonyms": [ "garlic powder", "powdered garlic", "dried garlic powder", "dehydrated garlic powder", "ground garlic" ], "category": "spice", "default_state": "standard", "confidence": "low", "states": [ { "id": "standard", "label": "Standard, spooned and leveled", "density_g_per_ml": null, "range_min": 0.538, "range_max": 0.656, "withheld": true, "withheld_reason": "USDA SR Legacy (155.2 g/cup) and a foodservice direct cup measurement (127.3 g/cup) differ by 21.9%, exceeding the 10% spice tolerance. The spread tracks grind: products sold as garlic powder range from fine dust to near-granulated, and the coarser grind packs heavier.", "sources": [ { "name": "USDA FoodData Central (SR Legacy): Spices, garlic powder", "ref": "Portion weights of 3.1 g per teaspoon and 9.7 g per tablespoon. Tablespoon basis x16 = 155.2 g/cup; teaspoon basis x48 = 148.8 g/cup. Tablespoon figure used as range maximum. Grind not specified.", "fdc_id": 171325, "density_g_per_ml": 0.656 }, { "name": "Chef's Resources dry spice conversion table", "ref": "Foodservice table measured across several vendors: garlic powder 4.49 oz per cup = 127.3 g/cup (10.70 tsp per oz, consistent). Same table lists granulated garlic at 5.65 oz per cup = 160.2 g/cup. The page's prose section gives 0.40 tsp/g (120 g/cup) for garlic powder; the direct cup measurement is used as range minimum.", "density_g_per_ml": 0.538 } ], "verified": "2026-09-23", "last_reviewed": "2026-09-23" } ], "yields": [], "notes": "A US cup of garlic powder weighs between 127 and 155 grams, and ExactCups publishes that range because the two credible measurements disagree by 22%, and the disagreement tracks a real product confusion: what is sold as garlic powder runs from a fine, flour-like dust to something close to granulated garlic.\n\nGarlic powder is dehydrated garlic cloves milled to a powder. The spice trade sells dried garlic by grind, with powder the finest, granulated garlic coarser, and minced or chopped garlic coarser still. Retail labels blur the first two, and some store brands describe their garlic powder as granulated. Because a shopper cannot reliably tell which grind is in the jar, this entry covers everything sold under the garlic powder name.\n\nThe data splits along that line. USDA's SR Legacy record lists 9.7 grams per tablespoon and 3.1 grams per teaspoon, which scale to 155 and 149 grams per cup. A foodservice conversion table built from measurements across several vendors puts garlic powder at 4.49 ounces per cup, or 127 grams, and granulated garlic at 5.65 ounces, or 160 grams. The USDA figure sits much closer to foodservice granulated than to foodservice powder. USDA does not specify grind, so the most plausible reading is that its sample sat at the coarse end of what is sold as powder. The same foodservice page gives a slightly lower 120 grams per cup in its prose section; the table's direct cup measurement is used here.\n\nThe physics explains the direction of the split. Garlic powder is almost fat-free, under 1% fat against roughly 73% carbohydrate and 17% protein by USDA composition. Without the oily film that makes paprika tacky, particle size governs how it packs, and the finer grind is the lighter one. Fine powders are cohesive: particles cling, bridge, and trap air as they are spooned. Coarser granules flow freely and settle into a tighter bed. That is why granulated garlic measures about a quarter heavier per cup than garlic powder in the same foodservice table. Garlic powder also clumps readily once opened in a humid kitchen, and clumps spoon unevenly. Within the spice family it sits at the heavy end, well above paprika and ground nutmeg and overlapping the upper ranges of ground cloves and black pepper.\n\nIn practice, a teaspoon of garlic powder weighs 2.6 to 3.2 grams and a tablespoon 8.0 to 9.7 grams. For seasoning a dish that difference rarely matters. It does matter when swapping between powder and granulated garlic. Both are the same dehydrated garlic, so equal grams deliver equal garlic; by volume, use about four-fifths as much granulated as the powder a recipe calls for. McCormick's own guidance is a quarter teaspoon of garlic powder per fresh clove. For dry rubs and seasoning blends made in quantity, weigh it. Spoon it into the measure and level without pressing, break up clumps first, and keep the jar tightly closed." }, { "id": "granulated-garlic", "schema_version": 3, "name": "Granulated Garlic", "synonyms": [ "garlic granules", "dried granulated garlic", "granular garlic", "garlic, granulated" ], "category": "spice", "default_state": "standard", "confidence": "low", "states": [ { "id": "standard", "label": "Standard, spooned and leveled", "density_g_per_ml": null, "range_min": 0.6772, "range_max": 0.956, "withheld": true, "withheld_reason": "Granulated garlic is a size class rather than a specification. Each producer sets its own grind coarseness between garlic powder (finer) and dried garlic flakes (coarser), and moisture content varies with the dryer method. Published measurements of pure granulated garlic products span 160 to 227 g per US cup, a 42 percent spread that exceeds the 10 percent spice tolerance.", "sources": [ { "name": "Chef's Resources — Dry Spice Yields chart", "ref": "Table lists Granulated Garlic at 5.65 oz/cup (160.2 g/US cup, density 0.6772 g/mL). Pairs on the same table with Garlic Powder at 4.49 oz/cup (127.2 g/US cup), a 26 percent density lift for the coarser cut.", "density_g_per_ml": 0.6772 }, { "name": "USDA FoodData Central Branded — Morton & Bassett Granulated Garlic", "ref": "UPC 016291441729. Filed as granulated garlic; some retailer listings for this UPC describe a garlic-plus-parsley variant, but the USDA Branded record and Morton & Bassett's own product listing treat it as granulated garlic. Label-derived; aqua-calc computes 203 g per metric cup (193 g per US cup, density 0.8120 g/mL).", "density_g_per_ml": 0.812 }, { "name": "USDA FoodData Central Branded — Premium 100% Pure Spices Granulated Garlic", "ref": "UPC 026164001400. Label-derived record; aqua-calc computes 239 g per metric cup (227 g per US cup, density 0.9560 g/mL). Heaviest source in the observed range, consistent with a fine-cut or lower-moisture product.", "density_g_per_ml": 0.956 }, { "name": "USDA FoodData Central Branded — Granulated Garlic UPC 714444002031", "ref": "Label-derived record; aqua-calc computes 51 g per metric cup (48 g per US cup, density 0.204 g/mL). Rejected as physically implausible for a dried, ground spice — likely either a sub-gram teaspoon serving-size labelling artifact or a mislabelled fresh product.", "density_g_per_ml": 0.204, "rejected": true, "rejection_reason": "Density 0.204 g/mL is physically implausible for a dried, ground spice; likely a sub-gram serving-size labelling artifact or a mislabelled fresh product." }, { "name": "USDA FoodData Central Branded — 100% Organic Granulated Garlic with Parsley (Morton & Bassett)", "ref": "UPC 016291442726. Explicitly a garlic-plus-parsley blend, not a pure granulated-garlic measurement. Label-derived; aqua-calc computes 162 g per metric cup (153 g per US cup, density 0.6480 g/mL). Included here for provenance.", "density_g_per_ml": 0.648, "rejected": true, "rejection_reason": "Product is a garlic-plus-parsley blend rather than pure granulated garlic; the added herb changes the composition and the density does not describe the ingredient this entry covers." } ], "verified": "2026-09-23", "last_reviewed": "2026-09-23" } ], "yields": [], "notes": "Granulated garlic does not have a single density. Published brands span roughly 160 to 227 g per US cup, because \"granulated\" describes a size class between powder and flakes rather than a fixed grind, and each producer cuts to its own spec.\n\nGranulated garlic is dried garlic ground to particles coarser than garlic powder but finer than dried garlic flakes or minced garlic. Every commercial brand agrees on that general position but disagrees on where within it their product sits. McCormick describes their granulated garlic as \"coarser than garlic powder\" without a specific mesh size. The Spice House sells granulated garlic alongside a distinct garlic powder without publishing dimensions for either. USDA does not define a standard grind, and no producer body has published a canonical particle-size range. The result is that different brands' granulated garlic vary by grind more than they vary between the two nominal size classes.\n\nDensity follows grind. USDA Branded Foods records for pure granulated garlic products range from 160 g per US cup (Chef's Resources reference figure) to 227 g per US cup (Premium 100% Pure Spices, UPC 026164001400), a 42 percent spread. Chef's Resources publishes the finer end. Morton & Bassett's granulated garlic (UPC 016291441729) sits in the middle at 193 g per US cup. All three are legitimate measurements of a product sold as granulated garlic; none is wrong. Two other USDA Branded records were rejected here: UPC 714444002031 at 48 g per US cup is too light for any dried ground spice and is either a sub-gram serving-size labelling artifact or a mislabelled fresh product, and UPC 016291442726 is a garlic-plus-parsley blend, so its 153 g per US cup does not describe pure granulated garlic.\n\nCounterintuitively, granulated garlic tends to pack heavier per cup than garlic powder despite having larger particles. Chef's Resources illustrates this in the same table: garlic powder 127 g per cup, granulated garlic 160 g per cup — a 26 percent lift for the coarser cut. The physical driver is cohesion. Fine garlic powder is highly cohesive because dried garlic contains residual sulfur compounds and starch that make small particles cling and bridge, trapping air across the sides of a measuring cup. Coarser granules do not cling to each other as strongly and fall through the gaps more efficiently. The same pattern shows up with onion powder versus granulated onion, and to a smaller degree with paprika at different mill settings. Moisture content adds a further 5 to 8 percent variation between drier and less-dry batches.\n\nThis entry pairs with garlic powder (127 to 155 g per US cup in the same database) as a documented disambiguation: the two ingredients are related, sold side by side in most supermarket aisles, and pack at meaningfully different densities in the direction opposite to what particle-size intuition suggests. The physical relationship (granulated heavier than powder) is consistent across every source that lists both.\n\nKing Arthur's Ingredient Weight Chart does not list either granulated garlic or garlic powder — only fresh forms (peeled and sliced, minced, whole heads). No correction to make there; the chart is silent. For recipes where granulated garlic is a background note in a rub or marinade, volume measurement carries the recipe fine. For recipes where the exact amount matters, weigh the spice and record which brand was used, so a repeat bake starts from the same actual quantity rather than the same nominal one." }, { "id": "ground-allspice", "schema_version": 3, "name": "Ground Allspice", "synonyms": [ "allspice", "allspice powder", "powdered allspice", "ground pimento", "Jamaica pepper ground", "myrtle pepper ground", "pimenta" ], "category": "spice", "default_state": "standard", "confidence": "low", "states": [ { "id": "standard", "label": "Standard, spooned and leveled", "density_g_per_ml": null, "range_min": 0.4058, "range_max": 0.4903, "withheld": true, "withheld_reason": "Ground allspice shows a ~20% spread from 96 g/cup (USDA laboratory loose-fill) to 116 g/cup (Roundy's retail brand), driven by grind particle size and jar settling over shelf life. Not driven by varietal or origin split — allspice is one species (Pimenta dioica) with Jamaica-dominant supply — but retail brand density is a real market data point that a single-figure publish would obscure.", "sources": [ { "name": "USDA FoodData Central — Spices, allspice, ground", "ref": "USDA SR Legacy entry (NDB 2001, FDC 171315) lists 1 tablespoon = 6 g and 1 teaspoon = 1.9 g, both consistent with approximately 96 g per US cup (6 × 16 tbsp/cup, 1.9 × 48 tsp/cup = 91.2 g/cup — the tsp portion is slightly lighter due to rounding). Represents laboratory-standardised loose fill and is the anchor low end of the published range.", "fdc_id": 171315, "density_g_per_ml": 0.4058 }, { "name": "FreeFoodTips ingredient reference", "ref": "Reports 102 g per metric cup (250 mL) = 96.5 g per US cup, with 6.09 g per tablespoon and 2.03 g per teaspoon. Essentially identical to USDA anchor — independent validation of the low-end cluster.", "density_g_per_ml": 0.4079 }, { "name": "CooksInfo kitchen reference", "ref": "Reports 1/4 pound (115 g) ground allspice = 1 cup + 2 tablespoons (approximately 1.125 US cup), extrapolating to 102 g per US cup. Also lists 1 teaspoon = 2 g and 5 whole berries = 1 teaspoon ground. Represents general kitchen working reference.", "density_g_per_ml": 0.4311 }, { "name": "Chefs-Resources professional kitchen conversion chart", "ref": "Categorises ground allspice as a medium-density spice at 0.45 teaspoons per gram, which extrapolates to 107 g per US cup (48 tsp/cup ÷ 0.45 tsp/g). Represents professional kitchen line-cook working density from settled commercial jars — an 11% step up from the USDA anchor.", "density_g_per_ml": 0.4523 }, { "name": "Roundy's Ground Allspice (USDA branded via aqua-calc, UPC 011150949729)", "ref": "Reports 122 g per metric cup (4.1 oz per US cup = 116 g/cup) for Roundy's ground allspice, a Kroger-affiliate house brand. Represents a specific retail brand's grind-and-fill combination at the top of the observed range — real market data, likely from a coarser grind or denser settled fill.", "density_g_per_ml": 0.4903 }, { "name": "King Arthur Baking (KA-blind)", "ref": "King Arthur does not publish a per-cup, per-tablespoon, or per-teaspoon weight for ground allspice in their Ingredient Weight Chart. KA's recipes specify allspice only by volume (typically 1/4 to 1/2 tsp for spice cakes and gingerbread). No KA correction applies to this entry." } ], "verified": "2026-09-22", "last_reviewed": "2026-09-22" } ], "yields": [], "notes": "TL;DR: **One US cup of ground allspice weighs 96 to 116 g depending on grind fineness and retail brand — USDA's reference is 96 g/cup (6 g per tablespoon, 1.9 g per teaspoon).** King Arthur does not publish a per-cup weight for allspice, and there is no cassia-vs-Ceylon-style origin split to complicate matters: this is one species (*Pimenta dioica*) with mostly Jamaican origin. The 20% spread reflects grind particle size and jar settling, not fundamental varietal variance.\n\nAllspice is the dried unripe berry of *Pimenta dioica*, an evergreen tree native to Jamaica, Cuba, and Central America — not a blend of other spices, despite the English-language name. English colonists who first traded it in the 1600s thought the flavour resembled a mix of cinnamon, cloves, and nutmeg, and the name stuck. In reality it is a single berry containing its own aromatic compound profile, dominated by eugenol at 60-80% of the essential oil — the same compound that makes cloves smell like cloves. Jamaica supplies the majority of the world's commercial allspice; Guatemala, Honduras, and Mexico produce smaller quantities of a variant with slightly less eugenol and more pinene, giving a subtly greener, more resinous flavour. Older synonyms include Jamaica pepper, myrtle pepper, and pimento (unrelated to the pimiento pepper of Spanish cuisine — a persistent grocery-store confusion).\n\nThe density data converges tightly at the USDA-anchor end and spreads on the retail-brand end. USDA FoodData Central FDC 171315 lists 6 g per tablespoon and 1.9 g per teaspoon, extrapolating to 96 g per US cup. FreeFoodTips independently reports 6.09 g per tablespoon (96.5 g/US cup) — essentially identical. Chefs-Resources' professional kitchen chart categorises allspice as a medium-density spice at 0.45 teaspoons per gram, which extrapolates to 107 g per US cup, an 11% step up from the USDA anchor reflecting settled jar density in commercial kitchens. Aqua-calc's USDA-branded entry for Roundy's ground allspice (a Kroger-affiliate house brand, UPC 011150949729) reports 122 g per metric cup (116 g per US cup), representing a specific retail brand's grind-and-fill combination at the top of the observed range. That is a 20% spread from USDA's laboratory loose-fill to Roundy's settled retail — over ExactCups' 10% milled tolerance, and honestly published as a range.\n\nThe physical density check validates cluster placement. Ground allspice is 72% carbohydrate (mostly fibre), 9% fat, 6% protein, and 9% water. Its low fat content — roughly four times less than ground nutmeg's 36% — means less oil coating on particles and less clumping, keeping density lower than the oil-dominated spices. In the ExactCups milled category, ground allspice (96-116 g/cup) sits between ground ginger (80-104 g/cup, similar composition, slightly lower fat) and ground nutmeg (112 g/cup, oil-dominated), and well below ground cinnamon's upper cassia range (154 g/cup) and ground turmeric (144 g/cup). Ground cloves — chemically the closest cousin to allspice because both are eugenol-dominated — pack noticeably denser at roughly 137 g/cup due to higher volatile oil content in the clove bud.\n\nWhole allspice berries are worth the shelf space for bakers who care. Five berries yield approximately 1 teaspoon of freshly ground allspice; one tablespoon of whole berries yields approximately 3¼ teaspoons ground. Whole berries retain the volatile eugenol for years in an airtight jar, while pre-ground allspice loses 30-50% of its aromatic intensity within six months of milling regardless of packaging. If a recipe calls for ground and the jar smells faintly of nothing, the powder is functionally spent regardless of what it weighs on the scale.\n\nPractical baker recommendation: use USDA's 6 g per tablespoon or 1.9 g per teaspoon for weighed baking; expect 96-107 g per cup from freshly milled loose fill and up to 116 g/cup from settled retail jars. When substituting whole berries, allow 5 berries per teaspoon of ground and grind them fresh with a microplane, mortar and pestle, or spice mill immediately before use." }, { "id": "ground-cardamom", "schema_version": 3, "name": "Ground Cardamom", "synonyms": [ "ground cardamom", "cardamom", "cardamom powder", "green cardamom powder", "powdered cardamom", "elaichi powder", "ground green cardamom" ], "category": "spice", "default_state": "standard", "confidence": "medium", "states": [ { "id": "standard", "label": "Standard, spooned and leveled", "density_g_per_ml": 0.3922, "range_min": null, "range_max": null, "sources": [ { "name": "USDA FoodData Central (SR Legacy): Spices, cardamom", "ref": "Portion weights of 2 g per teaspoon ground and 5.8 g per tablespoon ground. Tablespoon basis x16 = 92.8 g/cup (published figure); teaspoon basis x48 = 96 g/cup, higher from whole-gram rounding on the teaspoon portion.", "fdc_id": 170919, "density_g_per_ml": 0.3922 }, { "name": "Chef's Resources dry spice conversion table", "ref": "Foodservice table measured across several vendors: ground cardamom 3.31 oz per cup = 93.8 g/cup; tablespoon (4.80 per oz) and teaspoon (14.50 per oz) columns agree.", "density_g_per_ml": 0.3966 } ], "verified": "2026-09-23", "last_reviewed": "2026-09-23" } ], "yields": [], "notes": "A US cup of ground cardamom weighs 93 grams, a figure on which USDA's reference weight and an independent foodservice measurement agree within about 1%.\n\nGround cardamom is milled from the small black seeds inside the pods of green cardamom, Elettaria cardamomum. White cardamom is the same species with the pods bleached. Black cardamom is a different plant, Amomum subulatum, with a smoky, camphor-like flavor that belongs in savory cooking; it is not a substitute in cardamom buns, chai, or custards. Lower-priced ground cardamom is sometimes milled from whole pods with the husk included, which lowers both quality and price. This entry covers ground green cardamom as sold in jars.\n\nUSDA's SR Legacy record lists 5.8 grams per tablespoon of ground cardamom, which scales to 92.8 grams per cup. Its teaspoon figure of 2 grams scales to 96, but that portion is rounded to the whole gram, so the tablespoon basis is used. A foodservice conversion table built from measurements across several vendors lists ground cardamom at 3.31 ounces per cup, or 93.8 grams, with its tablespoon and teaspoon columns agreeing. Two independent methods land within a gram of each other.\n\nPhysically, cardamom sits at the light end of the warm baking spices, below paprika and ground nutmeg and close to pumpkin pie spice. At about 7% fat by USDA composition, it carries roughly half the fat of paprika, so its particles are less tacky and it spoons more consistently. Its character comes from volatile oils such as cineole and terpinyl acetate, which begin escaping as soon as the seed is ground. That loss is large for flavor but negligible for weight: a stale jar measures the same grams per spoon and simply delivers less aroma.\n\nThe larger measuring error with cardamom is not cup weight but pod conversions. Published rules disagree widely, from 6 to 12 pods per teaspoon of ground cardamom, and a much-repeated rule holds that 10 pods equal 1½ teaspoons. A weight check does not support them. Reported seed weights run about 0.08 to 0.12 grams per pod. At 1.9 grams per teaspoon of ground cardamom, that implies roughly 16 to 24 pods' worth of seeds per teaspoon, about twice what the common rules suggest. Rules near 10 pods per teaspoon fit better with grinding whole pods, husk included, since the husk adds bulk but little flavor. When a recipe specifies pods, the reliable conversion is by weight: crack the pods, weigh the seeds, and substitute an equal weight of ground cardamom.\n\nIn practice, a teaspoon of ground cardamom weighs about 1.9 grams and a tablespoon 5.8 grams. Scandinavian cardamom buns and some Indian sweets use it by the tablespoon, where weighing is worth it. Because the aroma fades quickly after grinding, buy small jars and replace them often. Spoon it into the measure and level without pressing, and keep the jar tightly closed." }, { "id": "ground-cinnamon", "schema_version": 3, "name": "Ground Cinnamon", "synonyms": [ "ground cinnamon", "cinnamon powder", "cinnamon ground", "cassia cinnamon ground", "ceylon cinnamon ground", "true cinnamon ground", "saigon cinnamon ground", "vietnamese cinnamon ground", "chinese cinnamon ground" ], "category": "spice", "default_state": "standard", "confidence": "low", "states": [ { "id": "standard", "label": "Standard, spooned and leveled", "density_g_per_ml": null, "range_min": 0.4057, "range_max": 0.6509, "withheld": true, "withheld_reason": "USDA FoodData Central SR Legacy (FDC 2010) gives 119 g/cup at 0.50 g/mL as the canonical reference, but USDA branded entries and retail aggregates span 96-154 g/cup — a 60% spread reflecting three physical factors that matter more for fine light spices than for granulated ingredients: grind fineness (finer mills pack denser), moisture content (cinnamon is hygroscopic), and scoop technique (packed vs spooned differs by ~20% for a powder this light). Cassia and Ceylon cinnamon grind to the same density; the botanical distinction is a flavor/health choice, not a measurement one.", "sources": [ { "name": "USDA FoodData Central — Spices, cinnamon, ground (SR Legacy FDC 2010)", "ref": "USDA reference food composition entry: 1 US cup = ~119 g at 0.496 g/mL. Canonical anchor used by ChefSolver (1 tsp = 3g at 0.56 g/mL), ingredientconverter.org (119 g/cup at 0.496 g/mL), and cookbook authors when no brand-specific density is available. Corresponds to spooned-and-leveled measurement of typical commercial cassia cinnamon.", "fdc_id": 2010, "density_g_per_ml": 0.496 }, { "name": "USDA FoodData Central — Ground Cinnamon (branded, UPC 016291441132, via aqua-calc)", "ref": "USDA branded food entry: 162-163 g/metric cup = 154 g/US cup = 5.4 oz/US cup, density 0.649 g/mL. Represents a densely-milled retail product at the high end of the observed range — likely a fine Saigon or Vietnamese cassia grind packed tighter than USDA reference conditions.", "density_g_per_ml": 0.6509 }, { "name": "USDA FoodData Central — Ground Cinnamon (branded, UPC 855269003480, via aqua-calc)", "ref": "USDA branded food entry: 101 g/metric cup = 96 g/US cup = 3.4 oz/US cup, density 0.406 g/mL. Represents a lighter-packed retail product at the low end of the observed range — likely a coarser grind or Ceylon-style cinnamon.", "density_g_per_ml": 0.4057 }, { "name": "eatthismuch multi-brand aggregate — McCormick, Great Value, Kirkland Signature Organic Ground Saigon, Simply Organic Ceylon, Stonemill", "ref": "Cross-brand teaspoon reference across five major US retail cinnamon brands: 1 tsp = 3 g, extrapolating to 144 g/cup. Consistent across cassia (McCormick, Great Value, Kirkland Saigon) and Ceylon (Simply Organic) products, confirming that cassia vs Ceylon botany does not shift density. Sits near the high end of the published range.", "density_g_per_ml": 0.6087 }, { "name": "McCormick Ground Cinnamon (4.12 oz product label, dominant US retail brand)", "ref": "Product label serving: 1/4 tsp = 0.4 g, extrapolating to 77 g/cup at 0.325 g/mL. Almost certainly an FDA-rounded label figure rather than a physical density — 0.4 g rounds down to zero calories on the nutrition label, which is what McCormick declares (0 kcal per serving). Included for label-transparency but excluded from the published density range as unreliable measurement.", "density_g_per_ml": null } ], "verified": "2026-09-22", "last_reviewed": "2026-09-22" } ], "yields": [], "notes": "TL;DR: 96-154 g/cup (0.41-0.65 g/mL). Fine bark powder with wide packing variance across brands and grinds. USDA reference at 119 g/cup (0.50 g/mL) is the central working figure; brand-to-brand spread of 60% is normal for fine light spices where scoop technique matters more than for granulated ingredients.\n\nGround cinnamon is the inner bark of Cinnamomum trees, dried and milled to a fine reddish-brown powder. Two botanical types dominate global commerce: cassia cinnamon (Cinnamomum cassia and its close cousins C. burmannii Indonesian, C. loureiroi Vietnamese/Saigon, C. cassia Chinese) makes up about 95% of the US market and delivers the strong, sweet-spicy flavor most Americans associate with cinnamon rolls and pumpkin pie. Ceylon cinnamon (Cinnamomum verum, marketed as \"true cinnamon\") is milder and more delicate, standard in Latin American and European baking, and preferred by some households for its dramatically lower coumarin content. Both types grind to nearly identical bulk density; the choice between them is a flavor and health decision, not a measurement one.\n\nDensity data spans a wide 60% range that reflects real packing behavior rather than product quality. USDA FoodData Central SR Legacy (FDC 2010) gives 119 g per US cup at 0.50 g/mL — the canonical reference used by conversion sites and cookbook authors when no brand-specific density is available. USDA branded entries via aqua-calc scatter across the range: UPC 855269003480 at 96 g/cup (lighter than USDA reference), UPC 011216287109 at 115 g/cup (near USDA), UPC 016291441132 at 154 g/cup (about 30% above USDA). The eatthismuch aggregate across McCormick, Great Value, Kirkland Saigon, Simply Organic Ceylon, and Stonemill reports 3 g per teaspoon, extrapolating to 144 g/cup — near the high end. McCormick's own 4.12 oz product label lists 1/4 tsp = 0.4 g, which extrapolates to 77 g/cup, but this figure is almost certainly an FDA-rounded label serving (0.4 g rounds to zero calories, which is what the label declares) and not a physical density measurement. King Arthur's Ingredient Weight Chart is silent on plain ground cinnamon; it lists Cinnamon Sweet Bits, Cinnamon-Sugar, and Baker's Cinnamon Filling but not the base spice.\n\nThe 60% brand spread comes from three factors that all matter more for fine light powders than for granulated ingredients. First, grind fineness: some brands mill to a very fine dust that packs down denser (Saigon cassia products from McCormick and Kirkland tend heavier), while others grind coarser (small-batch Ceylon products tend lighter). Second, moisture content: cinnamon is hygroscopic and absorbs ambient humidity, so a jar opened in a humid kitchen weighs more per cup than the same brand tested in dry lab conditions. Third, scoop technique: pressing a measuring spoon into the jar packs the powder about 20% denser than lightly spooning it. USDA reference conditions are spooned-and-leveled, which is the standard baking assumption.\n\nFor a recipe calling for \"1 teaspoon ground cinnamon,\" the practical difference between 2 g (light scoop) and 3 g (packed scoop) is unlikely to affect the outcome — most baking recipes use cinnamon at 0.1-1% of flour weight where a 50% variance in the spice weight is well within taste tolerance. Where the difference matters is in high-cinnamon-content applications like snickerdoodle coatings, cinnamon-sugar toppings, or spice-heavy chai blends: weigh out the intended quantity rather than relying on the volume conversion, especially when switching between a densely-packed jar (Saigon cassia) and a lighter one (Ceylon).\n\nOn the two-species question: cassia and Ceylon are not interchangeable in a health-conscious kitchen. Cassia contains 5-12 mg/g of coumarin, a compound linked to liver stress in high doses; the European Food Safety Authority sets a Tolerable Daily Intake of 0.1 mg/kg body weight, which a 70 kg adult reaches at roughly 1 teaspoon of cassia per day (2 g times 8 mg/g averages to 16 mg, about 2x TDI). Ceylon contains 0.01-0.1 mg/g coumarin, roughly 100-1000x lower. In flavor: cassia is bolder and more assertive; Ceylon is subtler and more citrusy. In price: Ceylon runs 3-6x the cost of cassia. Most US grocery cinnamon is unlabeled cassia by default; Ceylon is typically labeled prominently as such." }, { "id": "ground-cloves", "schema_version": 3, "name": "Ground Cloves", "synonyms": [ "cloves powder", "powdered cloves", "clove powder", "ground clove", "clou de girofle moulu" ], "category": "spice", "default_state": "standard", "confidence": "low", "states": [ { "id": "standard", "label": "Standard, spooned and leveled", "density_g_per_ml": null, "range_min": 0.4058, "range_max": 0.5791, "withheld": true, "withheld_reason": "Ground cloves show a ~43% spread from 96 g/cup (specific retail brand, lightest fill) to 137 g/cup (settled commercial jar density per pro-kitchen reference), driven by exceptionally high volatile oil content (15-20% essential oil by weight, eugenol-dominated) that promotes both clumping and compaction over shelf time. Central cluster of USDA and home-baker references sits at 100-112 g/cup where most bakers land.", "sources": [ { "name": "USDA FoodData Central — Spices, cloves, ground", "ref": "USDA SR Legacy entry (NDB 2011, FDC 171321) lists 1 tablespoon = 7 g and 1 teaspoon = 2.1 g, both consistent with approximately 112 g per US cup (7 × 16 tbsp/cup) and 100.8 g/cup (2.1 × 48 tsp/cup — the tsp portion is slightly lighter due to rounding). Represents laboratory-standardised loose fill and anchors the central cluster.", "fdc_id": 171321, "density_g_per_ml": 0.4734 }, { "name": "FreeFoodTips ingredient reference", "ref": "Reports 110 g per metric cup (250 mL) = 104 g per US cup, with 6.59 g per tablespoon and 2.20 g per teaspoon. Close to USDA — validates the 100-112 g/cup central cluster.", "density_g_per_ml": 0.4396 }, { "name": "GramCups ingredient guide", "ref": "Reports 100 g per US cup as its measured density, with 6.25 g per tablespoon and 2.08 g per teaspoon. Publishes at spooned-and-leveled convention explicitly. Home-baker reference cluster.", "density_g_per_ml": 0.4227 }, { "name": "Ground Cloves UPC 725677290058 (aqua-calc branded)", "ref": "Reports 101 g per metric cup (3.4 oz per US cup = 96 g/cup) for a specific commercial retail brand. Represents lightest observed fill — likely a finer grind or fluffier product at the low end of the market range.", "density_g_per_ml": 0.4058 }, { "name": "Chefs-Resources professional kitchen conversion chart", "ref": "Categorises ground cloves as the densest common spice at 0.35 teaspoons per gram, which extrapolates to 137 g per US cup (48 tsp/cup ÷ 0.35 tsp/g). Represents fully-settled commercial jar density in professional kitchens (spooned, not packed). This is the eugenol/oil-driven upper bound for standard-jar density after shelf-life settling.", "density_g_per_ml": 0.5791 }, { "name": "King Arthur Baking (KA-blind)", "ref": "King Arthur does not publish a per-cup, per-tablespoon, or per-teaspoon weight for ground cloves in their Ingredient Weight Chart. KA's recipes specify cloves only by volume (typically 1/4 to 1/2 tsp, given the potency). No KA correction applies to this entry." } ], "verified": "2026-09-22", "last_reviewed": "2026-09-22" } ], "yields": [], "notes": "TL;DR: **One US cup of ground cloves weighs anywhere from 96 to 137 g depending on grind fineness and how settled the jar is — the central cluster is 100-112 g/cup where USDA and home-baker references converge.** USDA's reference is 112 g/cup (7 g per tablespoon, 2.1 g per teaspoon). King Arthur does not publish a per-cup weight, leaving no anchor to correct against. The 43% spread is driven by ground cloves' exceptionally high volatile oil content, which promotes both clumping and compaction over shelf time.\n\nGround cloves are the dried unopened flower buds of *Syzygium aromaticum*, an evergreen tree native to the Maluku Islands of Indonesia (the historical Spice Islands). Commercial supply today comes primarily from Indonesia, Madagascar, Zanzibar, Sri Lanka, and Comoros. The bud is picked before it opens, sun-dried until brittle, and then ground to a fine dark brown powder. Cloves are chemically defined by eugenol, a phenylpropanoid compound that comprises up to 90% of the essential oil and gives cloves their signature warm, numbing, medicinal aroma. This same eugenol is what makes ground allspice smell clove-like — allspice contains eugenol at 60-80% of its oil, hence the family resemblance.\n\nThe density spread across sources is unusually wide. USDA FoodData Central FDC 171321 lists 7 g per tablespoon and 2.1 g per teaspoon, extrapolating to 112 g per US cup. FreeFoodTips independently reports 6.59 g per tablespoon (104 g/US cup). GramCups' measured home-baker reference lands at 100 g/cup (6.25 g/tbsp). Aqua-calc's USDA-branded entry for one specific commercial ground clove product (UPC 725677290058) reports 96 g per US cup at the light end. Chefs-Resources' professional kitchen chart classifies cloves as the densest common spice at 0.35 teaspoons per gram, which extrapolates to 137 g per US cup — representing fully-settled commercial jar density after shelf-life compaction. That is a 43% spread from lightest retail fill to settled pro-kitchen density, well above ExactCups' 10% milled tolerance and honestly published as a range.\n\nThe wide density range is physical. Ground cloves are 13% fat, 65% carbohydrate (mostly fibre and starch), 6% protein, and 10% water — but the fat figure understates the real oiliness. Dried cloves contain 15-20% essential oil by weight, one of the highest volatile oil contents of any commercial spice. This oil coats particle surfaces and causes them to stick together and settle heavily over time. A freshly-milled jar sits loose and light; the same jar after six months on a shelf compacts to noticeably higher weight per cup as the oil migrates and particles pack down. This is why the spread is real and not editorial: two bakers measuring \"1 cup of ground cloves\" at different points in the jar's life can legitimately end up with different weights.\n\nFor comparative context in the ExactCups milled category: ground cloves (96-137 g/cup) overlap ground nutmeg (112 g/cup, 36% fat) and ground allspice (96-116 g/cup, its eugenol cousin) at the central cluster, and reach higher when settled due to oil-driven compaction. Ground turmeric (144 g/cup, waxy curcumin-driven) sits just above cloves' upper bound. Ground ginger (80-104 g/cup, low fat, fibrous) is the lightest of the common baking spices; ground cinnamon spans the widest range (96-154 g/cup) due to the cassia-vs-Ceylon species split.\n\nWhole cloves are strongly preferred for anything but immediate-use baking, because ground cloves lose their volatile eugenol 30-40% faster than any other common spice. Twelve to sixteen medium whole cloves yield approximately 1 teaspoon of freshly ground powder; one tablespoon of whole cloves grinds to approximately 1.6 teaspoons of ground (not 3 — grinding increases density and reduces volume by eliminating airspace between the buds). A whole clove weighs approximately 0.22 g.\n\nPractical baker recommendation: use USDA's 7 g per tablespoon or 2.1 g per teaspoon for weighed baking. Expect 100-112 g per cup from freshly-milled loose fill and up to 137 g/cup from a well-settled six-month-old jar — the difference matters when cloves are the assertive spice (Christmas puddings, ham glazes, garam masala). Freshness test: rub a pinch between your fingers; a sharp warm-sweet numbing sensation on the skin means active eugenol, a faint or musty aroma means the powder is functionally spent regardless of scale reading." }, { "id": "ground-coriander", "schema_version": 3, "name": "Ground Coriander", "synonyms": [ "coriander powder", "ground coriander seed", "dhania powder", "Coriandrum sativum ground" ], "category": "spice", "default_state": "standard", "confidence": "medium", "states": [ { "id": "standard", "label": "Standard, spooned and leveled", "density_g_per_ml": 0.404, "sources": [ { "name": "USDA FoodData Central Branded — Morton & Bassett Ground Coriander", "ref": "UPC 016291441866. Label-derived record; aqua-calc computes 101 g per metric cup (96 g per US cup, density 0.4040 g/mL). Anchor for this entry.", "density_g_per_ml": 0.404 }, { "name": "USDA FoodData Central Branded — Morton & Bassett 100% Organic Ground Coriander", "ref": "UPC 016291442863. Organic variant of the same brand's ground coriander; aqua-calc computes 101 g per metric cup (96 g per US cup, density 0.4040 g/mL). Identical to the non-organic record.", "density_g_per_ml": 0.404 }, { "name": "Chef's Resources — Dry Spice Yields chart", "ref": "Table lists Coriander, Ground at 3.35 oz/cup (95 g per US cup, density 0.4015 g/mL). Within 1 percent of the USDA Branded anchor.", "density_g_per_ml": 0.4015 } ], "verified": "2026-09-23", "last_reviewed": "2026-09-23" } ], "yields": [], "notes": "Ground coriander packs at about 96 g per US cup. USDA Branded records and Chef's Resources agree within 1 percent, and the ground figure is 20 to 45 percent denser than whole coriander seed because grinding eliminates the air pockets inside the hollow spherical seeds.\n\nCoriander is the dried seed of Coriandrum sativum, an annual herb in the parsley family whose fresh leaves are known in North America as cilantro. The seed is technically a fruit — a schizocarp made of two hemispherical mericarps that partially separate on drying — and its interior contains a small cavity around the germ. Whole coriander seeds are noticeably light per cup (roughly 65 to 85 g per US cup across USDA and reference tables) because those hollow spherical seeds pack with substantial air between and inside them. Grinding collapses both the internal cavities and the interstitial gaps, and the powder fills the cup at 95 to 96 g.\n\nSources converge tightly on the ground figure. USDA FoodData Central Branded records for Morton & Bassett Ground Coriander (UPC 016291441866) and Morton & Bassett 100% Organic Ground Coriander (UPC 016291442863) both come in at exactly 101 g per metric cup (96 g per US cup, density 0.4040 g/mL). Chef's Resources publishes 3.35 oz per cup, which works out to 95 g per US cup at density 0.4015 g/mL, within 1 percent of the USDA figure. The published range across sources is 1 percent, well inside the 10 percent tolerance held for the spice category.\n\nUSDA SR Legacy has direct records for whole coriander seed (85 g per metric cup, 81 g per US cup) and for dried coriander leaf, which is cilantro powder rather than seed powder (30 g per metric cup). It does not have a separate reference record for ground coriander from seed; that data comes from the branded records. The three data points cited above are all for ground seed.\n\nThe comparison to whole coriander seed is instructive for bakers converting between the two forms. USDA SR Legacy whole coriander seed at 81 g per US cup, and Chef's Resources whole coriander at 2.29 oz per cup (65 g), are both notably lighter than ground at 95 to 96 g. The physical picture is consistent with what the numbers show: grinding reduces the average void fraction from roughly 45 percent for whole seeds (with their interior cavities and packing gaps between spherical particles) to under 20 percent for powder. The flavor also concentrates because grinding exposes far more surface area of the seed's essential-oil bearing tissue per gram, which is why ground coriander loses aroma faster in storage than whole seed does. Buying whole and grinding as needed remains the flavor-optimal approach; the density difference (roughly 20 to 40 percent) is small compared with the aroma difference between fresh-ground and long-shelved powder.\n\nKing Arthur's Ingredient Weight Chart does not list coriander in either whole or ground form. The chart is silent on the spice, so there is no correction to make here; the site simply publishes what USDA and the reference chart already agree on.\n\nGround coriander is used across an unusually wide range of cuisines for a single spice: Indian curries (as a base note in garam masala and many regional blends), Middle Eastern blends like baharat and ras el hanout, Latin American chorizo and mole, some Scandinavian rye breads, and Belgian witbier. Its density places it in the medium-density spice cluster alongside ground cardamom (93 g/cup) and pumpkin pie spice (90 g/cup), well below the dense-spice cluster of ground cloves and ground cinnamon at 130-plus g/cup." }, { "id": "ground-cumin", "schema_version": 3, "name": "Ground Cumin", "synonyms": [ "ground cumin", "cumin powder", "jeera powder", "ground jeera", "cumin spice", "powdered cumin" ], "category": "spice", "default_state": "standard", "confidence": "medium", "states": [ { "id": "standard", "label": "Standard, dry ground powder, spooned and leveled", "density_g_per_ml": 0.4058, "sources": [ { "name": "USDA Branded (Ground Cumin)", "ref": "UPC 855269003404. 101 g/metric cup → 96 g/US cup. Anchor for the ground-cumin cluster in USDA Global Branded Food Products Database.", "density_g_per_ml": 0.4058 }, { "name": "USDA Branded (Cumin Seed Ground Organic Spices)", "ref": "UPC 8906046144215. 107 g/metric cup → 101 g/US cup. Independent USDA GBFD confirmation of the 96-101 cluster.", "density_g_per_ml": 0.4269 }, { "name": "Chef's Resources spice conversion table", "ref": "\"Cumin, Ground\": 3.38 oz per cup → 95.8 g/cup. Direct measurement matching the USDA cluster within precision.", "density_g_per_ml": 0.4049 }, { "name": "Chef's Resources spice conversion prose", "ref": "Ground cumin at 0.45 tsp per gram density category → 1 cup (48 tsp) = 107 g/cup. 11.7% above CR's own oz-per-cup table figure (95.8 g/cup).", "density_g_per_ml": 0.4523, "rejected": true, "rejection_reason": "CR internal self-contradiction: the same site publishes 95.8 g/cup in its oz-per-cup table and 107 g/cup in its tsp/g density-category prose. The table figure is the primary direct measurement; the prose figure derives from a rougher density-bucket approximation. Table value takes precedence, prose is excluded. Pattern established previously with ground-cinnamon." }, { "name": "USDA Branded (Great Value Ground Cumin)", "ref": "UPC 078742230351. 142 g/metric cup → 134 g/US cup. 40% above producer cluster.", "density_g_per_ml": 0.5664, "rejected": true, "rejection_reason": "134 g/cup is 40% above the USDA-plus-CR cluster of 96-101 g/cup for ground cumin. Well outside spice 10% tolerance. Likely a tapped-fill measurement convention artifact or an FDA serving-size rounding anomaly; no plausible physical mechanism puts genuine ground cumin at this density." }, { "name": "USDA Branded (Ground Cumin, Morton & Bassett)", "ref": "UPC 016291441200. 203 g/metric cup → 192 g/US cup. 100% above producer cluster.", "density_g_per_ml": 0.8115, "rejected": true, "rejection_reason": "192 g/cup is twice the producer cluster and physically impossible for ground cumin. Would exceed the density of even the heaviest granulated spices (granulated garlic at 160-227 g/cup) despite cumin's much lower physical bulk density. Almost certainly a labeling data-entry error (perhaps a whole-cumin figure mislabeled as ground, or a per-fluid-ounce vs per-cup confusion). Not a legitimate alternative measurement." }, { "name": "King Arthur Baking Ingredient Weight Chart", "ref": "Silent on ground cumin. KA's chart lists a small number of spices (allspice, cinnamon, cloves) but does not include cumin in either whole or ground form. No direct KA figure to correct or confirm.", "density_g_per_ml": null } ], "verified": "2026-09-23", "last_reviewed": "2026-09-23" } ], "yields": [], "notes": "TL;DR: Ground cumin runs 96 grams per cup by the anchor USDA measurement, with a tight 96-101 g/cup cluster across independent USDA and Chef's Resources sources — slightly lighter than the whole cumin seed range of 96-109 g/cup documented in the paired cumin-seeds entry, matching the physical prediction that grinding solid seeds produces cohesive powder that bridges more air per unit volume than tightly-nesting whole seeds.\n\nGround cumin is the finely milled powder produced from dried cumin seeds (Cuminum cyminum), a member of the parsley family native to the eastern Mediterranean and South Asia. It is a foundational aromatic in Indian, Mexican, Middle Eastern, and North African cuisines, and its warm, earthy flavor comes primarily from cuminaldehyde, which makes up about 25-35% of the volatile oil content. Commercial ground cumin is milled from whole seeds after cleaning and sometimes light toasting; fresh grinding at home releases 30-50% more volatile compounds than pre-ground.\n\nUSDA Global Branded Food Products Database records two clean measurements: UPC 855269003404 at 96 g/cup and UPC 8906046144215 at 101 g/cup. Chef's Resources' spice conversion table lists ground cumin at 3.38 oz per cup, converting to 95.8 g/cup — matching the USDA cluster within measurement precision. The 96-101 gram convergence across three independent sources anchors the published figure at 96 g/cup, at the low end of the cluster and matching the USDA anchor exactly.\n\nA fourth Chef's Resources data point (107 g/cup, from the site's density-category prose at 0.45 tsp/gram) is excluded from the published figure. CR self-contradicts here: its oz-per-cup table gives 95.8 and its tsp/g prose derives 107 from a rougher density-bucket approximation. The direct oz-per-cup measurement takes precedence over the derived tsp/g category figure — the same handling pattern used for ground cinnamon.\n\nTwo additional USDA GBFD records are excluded. Great Value ground cumin (UPC 078742230351) at 134 g/cup sits 40% above the cluster, outside spice tolerance; it may reflect a tapped-fill measurement or an FDA serving-size rounding artifact rather than genuine physical density. Morton & Bassett ground cumin (UPC 016291441200) at 192 g/cup is physically implausible — no ground spice packs at twice the density of its whole-seed form, and this figure would exceed the density of even the heaviest granulated spices. Both are treated as outliers with unknown labeling methodology rather than legitimate alternative densities.\n\nPhysical reasoning supports the published cluster. In the paired cumin-seeds entry (whole form), the WITHHELD RANGE was 96-109 g/cup, reflecting genuine seed-settling variance. Cumin seeds are solid, dense, spindle-shaped kernels with no internal cavities — they pack tightly when whole, with elongated seeds nesting efficiently into inter-seed void spaces. Grinding these solid seeds produces a cohesive fine powder whose particles bridge and trap air, giving ground cumin a slightly lower cup density than whole seeds. Ground cumin at 96 g/cup fits at the low end of the whole-seed range, matching the direction predicted for solid-seed spices. This contrasts with hollow-seed spices like coriander (documented separately), where grinding collapses the schizocarp cavities in the whole seed and ground coriander is denser than whole.\n\nKing Arthur Baking does not publish ground cumin, or any single non-baking spice by common name, restricting its chart to a few baking-adjacent aromatics like allspice, cinnamon, and cloves. No direct KA correction opportunity here, but the absence itself is worth noting: bakers relying on KA's chart alone will find no guidance for cumin and often over- or under-measure by extrapolating from denser or lighter spices.\n\nFor practical use, treat ground cumin as 96 g/cup for recipe scaling. A teaspoon runs about 2.0 grams, a tablespoon about 6.0 grams. Fresh ground cumin (within 6 months of grinding) may run slightly lighter due to higher retained volatile oil content; older or long-stored ground cumin can pack denser as oils oxidize and particles settle. When precision matters, weigh by grams. For a cumin-forward dish like a garam masala blend or Mexican mole, the 5-10% density variance between fresh and aged product can meaningfully shift the spice profile; for background use in a chili or curry, cup measurements work fine within the noise floor of home cooking." }, { "id": "ground-ginger", "schema_version": 3, "name": "Ground Ginger", "synonyms": [ "ginger powder", "dried ginger", "powdered ginger", "dry ginger", "ginger root powder", "ground dried ginger" ], "category": "spice", "default_state": "standard", "confidence": "low", "states": [ { "id": "standard", "label": "Standard, spooned and leveled", "density_g_per_ml": null, "range_min": 0.3381, "range_max": 0.4396, "withheld": true, "withheld_reason": "Ground ginger shows a genuine ~30% spread from 80 g/cup (USDA) to 104 g/cup (home-baker references), driven by fibrous rhizome grind coarseness, water content variance, origin variety (Jamaican vs Cochin vs Chinese fibre structure), and jar settling over shelf life. No single figure fairly represents the market.", "sources": [ { "name": "USDA FoodData Central — Spices, ginger, ground", "ref": "USDA SR Legacy entry (NDB 2021, FDC 170926) lists 1 tablespoon = 5 g and 1 teaspoon = 1.8 g, both consistent with 80 g per US cup (5 × 16 tbsp/cup, 1.8 × 48 tsp/cup = 86.4 g/cup — the tsp portion is slightly heavier due to rounding). Represents laboratory-standardised loose fill and is the anchor low end of the published range.", "fdc_id": 170926, "density_g_per_ml": 0.3381 }, { "name": "aqua-calc (USDA-referenced density conversion)", "ref": "Reports 2.93 ounces (83.1 g) per US cup and 87.9 g per metric cup for ground ginger. Aqua-calc treats USDA FoodData Central as its data source; this validates the USDA tablespoon figure as the physical density reference (~83 g/cup real-world).", "density_g_per_ml": 0.3513 }, { "name": "FreeFoodTips ingredient reference", "ref": "Reports 88 g per metric cup (250 mL) = 83.3 g per US cup, with 5.27 g per tablespoon and 1.76 g per teaspoon. Consistent with USDA cluster.", "density_g_per_ml": 0.3521 }, { "name": "Pantrymath ingredient reference", "ref": "Reports 1 US cup = 96 g for ground ginger. Represents home-baker reference cluster from settled commercial jar contents rather than laboratory loose fill — accounts for ~20% weight increase over USDA baseline from particle settling.", "density_g_per_ml": 0.4058 }, { "name": "CupOrGram ingredient guide", "ref": "Publishes 104 g per US cup at 0.44 g/mL density as its central figure, and explicitly notes a practical 94-114 g/cup range (10% band) across brands and freshness windows. Attributes variance to particle size and settling variance across producers.", "density_g_per_ml": 0.4396 }, { "name": "Chefs-Resources professional kitchen conversion chart", "ref": "Categorises ground ginger as a medium-density spice at 0.45-0.55 teaspoons per gram, which extrapolates to 87-107 g per US cup (48 tsp/cup ÷ 0.45-0.55 tsp/g). Represents professional kitchen line-cook working density from standard commercial jars — sits between the USDA laboratory cluster and the settled home-baker cluster.", "density_g_per_ml": 0.41 }, { "name": "King Arthur Baking (KA-blind)", "ref": "King Arthur does not publish a per-cup, per-tablespoon, or per-teaspoon weight for ground ginger in their Ingredient Weight Chart. KA's recipes specify ginger only by volume (typically 1 tsp to 1 tbsp for gingerbread). No KA correction applies to this entry." } ], "verified": "2026-09-22", "last_reviewed": "2026-09-22" } ], "yields": [], "notes": "TL;DR: **One US cup of ground ginger weighs anywhere from 80 to 104 g depending on grind coarseness and origin variety — the 30% spread is real and reflects genuine market variance.** USDA's reference is 80 g/cup (5 g per tablespoon, 1.8 g per teaspoon); most home-baker references land at 96-104 g/cup. King Arthur does not publish a per-cup weight for ginger, leaving no anchor to correct against. This entry publishes the honest range.\n\nGround ginger is the dried, milled rhizome of *Zingiber officinale*, native to Southeast Asia and now cultivated across India, Nigeria, China, Peru, Jamaica, and Fiji. The rhizome is peeled, sliced, dried at 50-60°C for 8-12 hours, and milled to a fine powder. During drying, the fresh rhizome's dominant flavour compound — gingerol — dehydrates into shogaol, which is roughly four times more pungent per gram. This chemistry is why ground ginger is not interchangeable with fresh ginger one-to-one by volume: the standard culinary conversion is 1 teaspoon ground for every 1 tablespoon fresh grated (a 3:1 volumetric ratio), and even that ratio understates ground ginger's heat in raw applications.\n\nThe density spread across reliable sources is unusually wide. USDA FoodData Central FDC 170926 lists 5 g per tablespoon and 1.8 g per teaspoon, extrapolating to 80 g per US cup. Aqua-calc, referencing USDA, reports 83 g per US cup (88 g per metric cup, the same physical density against Europe's 250 mL). Home-baker references cluster higher: Pantrymath publishes 96 g/cup; CupOrGram publishes 104 g/cup as its central figure and explicitly notes a practical 94-114 g/cup range across brands and freshness windows. Chefs-Resources' professional kitchen chart categorises ginger as a medium-density spice at 0.45-0.55 teaspoons per gram, which brackets 87-107 g/cup. That is a 30% spread from USDA's 80 g/cup to the home-baker upper bound at 104 g/cup — well above ExactCups' 10% milled tolerance, and honestly published as a range rather than as one authoritative figure. The Spicery (UK) reports 8 g per tablespoon for their ground product (128 g/cup extrapolated), which sits outside even this range and appears to reflect a particularly settled or coarse-milled retail product.\n\nThe variance is physical, not editorial. Ground ginger is 71% carbohydrate (mostly fibre and starch), 9% protein, 4% fat, and 10% water, with 5% ash. The dominant fibrous carbohydrate structure creates internal air pockets that pack tighter or looser depending on grind coarseness, aging, water reabsorption from humid storage, and the origin variety's cell structure — Jamaican ginger fibres differ from Chinese Cochin or Indian varieties in ways that show up on the scale. USDA's 80 g/cup figure represents a laboratory-standardised loose fill; commercial jars settle over shelf time and yield noticeably higher per-cup weights.\n\nFor comparative context in the ExactCups milled category: ground ginger (80-104 g/cup) sits well below oily ground nutmeg (112 g/cup, ~36% fat), below waxy ground turmeric (144 g/cup), and roughly in the ballpark of ground allspice and low-side ground cinnamon at the light end. It is the lightest of the common baking spices per cup, which makes recipe scaling by weight materially more accurate than by volume.\n\nPractical baker recommendation: for weighed baking, use USDA's 5 g per tablespoon / 1.8 g per teaspoon when converting recipes that call for volume, since USDA represents freshly-milled loose fill and matches what most spice jars deliver when spooned into a measure. When bulk-buying or working with settled containers, expect 96-104 g per cup — the difference matters when scaling gingerbread or spice cookies where ginger drives the flavour. For freshness testing, rub a pinch between your fingers: sharp warm aroma means the shogaols are active; faint or musty means they have oxidised, and the powder is functionally spent regardless of what it weighs on the jar." }, { "id": "ground-mustard", "schema_version": 3, "name": "Ground Mustard", "synonyms": [ "mustard powder", "dry mustard", "mustard flour", "ground mustard seed", "English mustard powder" ], "category": "spice", "default_state": "standard", "confidence": "medium", "states": [ { "id": "standard", "label": "Standard, spooned and leveled", "density_g_per_ml": 0.428, "sources": [ { "name": "USDA FoodData Central SR Legacy — Spices, mustard seed, ground", "ref": "Standard Reference direct measurement. 107 g per metric cup (101 g per US cup, density 0.4280 g/mL). Anchor for this entry.", "density_g_per_ml": 0.428 }, { "name": "USDA FoodData Central Branded — Mustard Powder", "ref": "UPC 076606598289. Label-derived record; aqua-calc computes 101 g per metric cup (96 g per US cup, density 0.4040 g/mL). Within 6 percent of the USDA SR anchor.", "density_g_per_ml": 0.404 }, { "name": "Chef's Resources — Dry Spice Yields chart", "ref": "Table lists Mustard Ground at 3.43 oz/cup (97 g per US cup, density 0.4108 g/mL). Within 4 percent of the USDA SR anchor. Same table pairs whole Mustard Seeds at 6.40 oz/cup (181 g), which is nearly twice the ground figure and drives the physical reasoning discussion in the notes.", "density_g_per_ml": 0.4108 } ], "verified": "2026-09-23", "last_reviewed": "2026-09-23" } ], "yields": [], "notes": "Ground mustard packs at about 101 g per US cup. USDA and reference charts agree within 6 percent, and unlike most ground spices, ground mustard is actually lighter per cup than the whole seeds it comes from.\n\nGround mustard, also sold as mustard powder or dry mustard, is the finely milled seed of one or more species of the mustard plant. Yellow mustard (Sinapis alba) gives the milder, brighter powder typical of American mustard preparations. Brown mustard (Brassica juncea) gives a sharper, more pungent powder used in Dijon and Chinese-style mustards. Commercial products like Colman's English Mustard blend both. The powder on its own carries no heat, because mustard's characteristic pungency requires the enzyme myrosinase in the powder to react with cold water to release allyl isothiocyanate. Dry powder is stable in the jar; the moment it hits water in a recipe, the reaction begins and heat develops over the next 10 to 15 minutes.\n\nSources agree well on the density. USDA FoodData Central's SR Legacy record for Spices, mustard seed, ground gives 107 g per metric cup, which works out to 101 g per US cup at a density of 0.4280 g/mL. USDA Branded Foods reports mustard powder (UPC 076606598289) at 101 g per metric cup (96 g per US cup, density 0.4040 g/mL). Chef's Resources publishes 3.43 oz per cup (97 g, density 0.4108 g/mL). The three sources span 6.25 percent — within the 10 percent spice tolerance and consistent enough for a single figure to represent the ingredient accurately. The USDA SR figure sits at the high end of the observed range, while the commercial products (USDA Branded and CR) cluster slightly lower.\n\nUnlike ground coriander, ground mustard is lighter per cup than whole mustard seeds. Chef's Resources gives whole mustard seeds at 6.40 oz per cup (181 g) versus ground at 3.43 oz per cup (97 g) — a nearly two-to-one ratio in favor of whole. The physical reason is seed geometry. Mustard seeds are small, hard, roughly spherical particles about 1 to 2 mm across with solid dense interiors (roughly 1 g per mL for the seed body itself), and they pack efficiently in a measuring cup because small spheres nest tightly with little space between them. When those seeds are milled into a fluffy powder, the resulting particles are irregular, cohesive, and prone to bridging across the sides of the cup, trapping air pockets that the whole seeds did not have. The same pattern shows up with other solid-seed spices like ground cumin (roughly 96 g/cup ground versus 109 g/cup whole in the same reference tables). It reverses only for seeds like coriander whose whole form contains internal hollows around the germ — grinding coriander collapses those cavities and the powder ends up denser than whole seed. Mustard belongs to the more common pattern.\n\nGround mustard sits in the medium-density spice cluster alongside ground coriander (96 g/cup), ground cardamom (93 g/cup), pumpkin pie spice (90 g/cup), and paprika (109 g/cup). It is well below the dense-spice cluster of cinnamon (128 g/cup) and cloves.\n\nKing Arthur's Ingredient Weight Chart does not list ground mustard or mustard powder in any form. The chart is silent on this ingredient, so there is no correction to make here; the site simply publishes what USDA and the reference chart already agree on.\n\nGround mustard is used in dry rubs and spice pastes where its pungency will develop on contact with liquid, in cheese sauces (mac and cheese, Mornay), in salad dressings and vinaigrettes both as an emulsifier and a flavor, in pickle brines, and as the raw material for prepared mustards. A teaspoon of ground mustard mixed with cold water and rested for ten minutes produces a very hot condiment; the same teaspoon added at the end of hot cooking loses much of its heat because prolonged heat destroys the enzyme reaction that produces the pungency. For recipes that specify prepared mustard by tablespoon, a rough substitution is one teaspoon of dry mustard plus one teaspoon of vinegar or water per tablespoon of prepared mustard, though the flavor will be sharper because homemade lacks the salt, sugar, and turmeric of commercial products." }, { "id": "ground-nutmeg", "schema_version": 3, "name": "Ground Nutmeg", "synonyms": [ "nutmeg", "nutmeg powder", "powdered nutmeg", "nutmeg spice", "ground nutmeg powder", "muscade" ], "category": "spice", "default_state": "standard", "confidence": "medium", "states": [ { "id": "standard", "label": "Standard, spooned and leveled", "density_g_per_ml": 0.4734, "sources": [ { "name": "USDA FoodData Central — Spices, nutmeg, ground", "ref": "USDA SR Legacy entry (NDB 2025, FDC 171326) lists 1 tablespoon = 7 g, which extrapolates to 112 g per US cup (7 × 16 tbsp/cup). The USDA-listed 1 teaspoon = 2.2 g portion is a rounding artifact and back-extrapolates to only 105.6 g/cup; the tablespoon value is the physical density figure that downstream density-conversion sites reference. Density-consistent tsp is 2.33 g.", "fdc_id": 171326, "density_g_per_ml": 0.4734 }, { "name": "aqua-calc (USDA-referenced density conversion)", "ref": "Reports 112 g per US cup and 118 g per metric cup for ground nutmeg — both consistent with the USDA tablespoon density of 7 g/tbsp. Aqua-calc treats USDA FoodData Central as its data source, so this is not an independent triangulation but a validation that the USDA tbsp portion is the physical density figure.", "density_g_per_ml": 0.4734 }, { "name": "Pantrymath ingredient reference", "ref": "Reports 1 US cup = 112 g and 1 tablespoon = 7 g for ground nutmeg, matching USDA. Represents the density-conversion consensus across independent kitchen-reference sites.", "density_g_per_ml": 0.4734 }, { "name": "Chefs-Resources professional kitchen conversion chart", "ref": "Reports 0.40 teaspoons per gram for ground nutmeg (categorized as a dense spice alongside cloves and turmeric), which extrapolates to 120 g per US cup (48 tsp/cup ÷ 0.40 tsp/g). Represents professional kitchen line-cook working density from standard commercial jars, slightly heavier than the USDA anchor due to particle settling and standard-jar packing.", "density_g_per_ml": 0.5072 }, { "name": "King Arthur Baking (KA-blind)", "ref": "King Arthur does not publish a per-cup or per-tablespoon weight for ground nutmeg in their Ingredient Weight Chart, though they do sell the ground product (SKU 400291, sourced from Sri Lanka). Their recipes specify nutmeg only by volume (typically 1/2 tsp or 1/4 tsp). No KA correction applies to this entry." } ], "verified": "2026-09-22", "last_reviewed": "2026-09-22" } ], "yields": [], "notes": "TL;DR: **One US cup of ground nutmeg weighs about 112 g (7 g per tablespoon, 2.3 g per teaspoon).** USDA FoodData Central and every downstream reference converge on this figure within a 7% spread. King Arthur does not publish a weight for nutmeg in their Ingredient Weight Chart, though they do sell the ground product, leaving ExactCups' figure the closest thing to a definitive baker's reference.\n\nGround nutmeg is the seed of the evergreen tree *Myristica fragrans*, native to the Banda Islands of Indonesia and now cultivated across Sri Lanka, Grenada, and India. The whole seed is dried inside its lacy red aril — that aril, dried and ground separately, is the spice mace. Mace and nutmeg come from the same fruit but differ in oil profile, colour, and density; they are not one-to-one weight substitutes even though they share flavour compounds. This entry covers the seed only.\n\nThe density convergence is unusually clean for a spice. USDA FDC 171326 lists 7 g per tablespoon, which extrapolates directly to 112 g per US cup. Aqua-calc, which references USDA, reports the same 112 g/cup (and 118 g per metric cup, the same physical density expressed against Europe's 250 mL cup). Pantrymath's independent ingredient reference lands on 112 g/cup and 7 g/tbsp as well. The one meaningful outlier is Chefs-Resources' professional kitchen chart at 0.40 teaspoons per gram, which extrapolates to 120 g/cup — slightly heavier due to standard-jar particle size and settling in commercial kitchens. That is a 7% spread from the USDA anchor to the kitchen upper bound, well under ExactCups' 10% milled tolerance.\n\nOne caveat is worth stating clearly. USDA's own teaspoon portion is listed as 2.2 g, which back-extrapolates to only 105.6 g/cup — a 6% understatement of USDA's own tablespoon figure. This is a rounding artifact: USDA rounds low-weight tsp portions to one decimal place, and the tablespoon value (7 g) is the physical density figure that density-conversion sites reference. When adapting a recipe by weight, 2.3 g per teaspoon is closer to physical reality than the rounded 2.2 g.\n\nGround nutmeg is oily — roughly 36% fat by weight, one of the fattiest common spices — which explains both its density and its clumping behaviour. The essential oil (5-15% by weight) and the fixed oil (called nutmeg butter) coat particles and cause them to settle tighter than dry, fibrous spices like ground ginger (about 96 g/cup) or the waxy denseness of ground turmeric (144 g/cup). This oil content is also why ground nutmeg loses potency far faster than whole nutmeg: the volatile aromatics evaporate through the powder's surface area within months of grinding. Bakers who grate whole nutmeg fresh get a fluffier product that measures 5-10% lighter per cup and delivers dramatically more flavour per gram — the reason serious pastry kitchens buy whole nutmegs and a Microplane rather than pre-ground jars.\n\nPractical baker recommendation: weigh at 7 g per tablespoon or 2.3 g per teaspoon. For freshly grated whole nutmeg, use the same weight target but expect one Microplane pass to yield roughly a rounded quarter-teaspoon of shavings. When adapting older recipes that specify \"1/4 nutmeg, grated\" — a common 19th-century notation — a whole nutmeg weighs about 5-8 g, so a quarter is 1-2 g, roughly a level half-teaspoon of the pre-ground product." }, { "id": "ground-turmeric", "schema_version": 3, "name": "Ground Turmeric", "synonyms": [ "ground turmeric", "turmeric", "turmeric powder", "powdered turmeric", "haldi powder", "haldi" ], "category": "spice", "default_state": "standard", "confidence": "low", "states": [ { "id": "standard", "label": "Standard, spooned and leveled", "density_g_per_ml": null, "range_min": 0.4793, "range_max": 0.6357, "withheld": true, "withheld_reason": "USDA SR Legacy (150.4 g/cup) and an independent foodservice cup measurement (113.4 g/cup) differ by 32.6%, far beyond the 10% spice tolerance. No third independent measurement resolves the dispute; the powder's high moisture and compressibility make method sensitivity a likely contributor.", "sources": [ { "name": "USDA FoodData Central (SR Legacy): Spices, turmeric, ground", "ref": "Portion weights of 3.0 g per teaspoon and 9.4 g per tablespoon. Tablespoon basis x16 = 150.4 g/cup (range maximum); teaspoon basis x48 = 144 g/cup.", "fdc_id": 172231, "density_g_per_ml": 0.6357 }, { "name": "Chef's Resources dry spice conversion table", "ref": "Foodservice table measured across several vendors: turmeric 4 oz per cup = 113.4 g/cup (range minimum); tablespoon (4 per oz) and teaspoon (12 per oz) columns agree. The page's prose rule of 0.40 tsp per gram works out to 120 g/cup, inside the range.", "density_g_per_ml": 0.4793 } ], "verified": "2026-09-23", "last_reviewed": "2026-09-23" } ], "yields": [], "notes": "A US cup of ground turmeric weighs between 113 and 150 grams, and ExactCups publishes that range rather than a single figure because USDA's reference weight and an independent foodservice measurement disagree by a third, and no third source settles it.\n\nGround turmeric is the dried, milled rhizome of Curcuma longa, a relative of ginger. Its deep yellow color comes from curcumin and related pigments. This entry covers the culinary powder sold in jars, not curcumin extracts or supplement capsules, which are concentrated products measured in milligrams.\n\nUSDA's SR Legacy record lists 9.4 grams per tablespoon and 3.0 grams per teaspoon, which scale to 150 and 144 grams per cup. A foodservice conversion table built from measurements across several vendors lists turmeric at 4 ounces per cup, or 113 grams, with its tablespoon and teaspoon columns agreeing, and the same page's rule of thumb of 0.40 teaspoons per gram works out to 120 grams, inside the range. Converter sites that publish 150 grams per cup are restating the USDA figure, not confirming it. The gap between the two independent measurements is 33%, which sits with ground cloves among the widest spreads in the spice family.\n\nBoth sources agree on one thing: turmeric is among the heaviest ground spices, at or above ground nutmeg and well above paprika, cardamom, and ginger. The physics points in the same direction. USDA composition shows about 13% water, higher than most dried spices, alongside roughly 67% carbohydrate, 10% protein, and only 3% fat. Moisture makes a fine powder cohesive and compressible: it clumps, bridges, and compacts differently depending on how it is spooned, how long the jar has been open, and how humid the kitchen is. That sensitivity to handling is the most plausible reason two careful measurements land so far apart, though neither source documents its method closely enough to prove it.\n\nOne confusion is worth correcting directly. Some health articles describe a teaspoon of ground turmeric as a figure in milligrams. A teaspoon of the culinary powder weighs roughly 2.4 to 3.1 grams, more than ten times any such figure. Milligram amounts in health discussions usually refer to curcumin content or to supplement doses, not to the weight of the spice itself, and mixing the two up distorts any attempt to compare a golden-milk recipe with a supplement label.\n\nIn practice, a teaspoon of ground turmeric weighs 2.4 to 3.1 grams and a tablespoon 7.1 to 9.4 grams. For curries and rice, where turmeric is used by the teaspoon, measuring by spoon is fine. For golden-milk mixes, pastes, and spice blends made in quantity, weigh it, since the range is wide enough to shift color and bitterness noticeably. Spoon it into the measure and level without pressing, break up clumps, keep the jar tightly closed, and wipe spills quickly, because turmeric stains." }, { "id": "onion-powder", "schema_version": 3, "name": "Onion Powder", "synonyms": [ "onion powder", "powdered onion", "dried onion powder", "dehydrated onion powder", "ground onion" ], "category": "spice", "default_state": "standard", "confidence": "medium", "states": [ { "id": "standard", "label": "Standard, spooned and leveled", "density_g_per_ml": 0.4666, "range_min": null, "range_max": null, "sources": [ { "name": "USDA FoodData Central (SR Legacy): Spices, onion powder", "ref": "Portion weights of 2.4 g per teaspoon and 6.9 g per tablespoon. Tablespoon basis x16 = 110.4 g/cup (published figure); teaspoon basis x48 = 115.2 g/cup, 4% higher from rounding on the smaller portion.", "fdc_id": 171327, "density_g_per_ml": 0.4666 }, { "name": "Chef's Resources dry spice conversion table", "ref": "Foodservice table measured across several vendors: onion powder 3.75 oz per cup = 106.3 g/cup (12.80 tsp per oz, consistent). The page's prose rule of 0.45 tsp per gram works out to 107 g/cup, so the source is internally consistent.", "density_g_per_ml": 0.4494 } ], "verified": "2026-09-23", "last_reviewed": "2026-09-23" } ], "yields": [], "notes": "A US cup of onion powder weighs 110 grams, a figure on which USDA's reference weight and an independent foodservice measurement agree within 4%, comfortably inside the 10% tolerance held for spices.\n\nOnion powder is dehydrated onion milled to a fine powder. The spice trade also sells granulated onion, a coarser grind, and minced or chopped dried onion, coarser still. Onion salt is a different product altogether: onion powder blended with salt, which makes it far heavier per spoon and far saltier, and it should never be measured as a substitute. This entry covers the product sold as onion powder.\n\nUSDA's SR Legacy record lists 6.9 grams per tablespoon and 2.4 grams per teaspoon, which scale to 110.4 and 115.2 grams per cup. A foodservice conversion table built from measurements across several vendors lists onion powder at 3.75 ounces per cup, or 106.3 grams, and the same page's rule of thumb of 0.45 teaspoons per gram works out to 107 grams, so that source agrees with itself. The published figure uses USDA's tablespoon basis. The teaspoon basis runs 4% higher only because a 2.4 gram portion is rounded more coarsely than a 6.9 gram one.\n\nThe physics is worth a closer look, because onion powder is much lighter than its closest relative. Like garlic powder, it is almost fat-free, at about 1% fat, 79% carbohydrate, and 10% protein by USDA composition, so neither powder has the oily, tacky particle film that governs paprika. Yet garlic powder runs 127 to 155 grams per cup, well above onion powder's 110. The likely reason is the starting tissue. Fresh onion is close to 90% water, while fresh garlic is under 60%. Drying a much wetter tissue leaves a more porous solid, so each onion powder particle carries more internal void and the cup weighs less. The two onion powder sources also show none of the grind split that separates the garlic powder data, which is why this entry can publish a single figure.\n\nOnion powder is strongly moisture-sensitive and cakes quickly once a jar is opened in a humid kitchen. Caked lumps pack heavier than loose powder, so a hardened jar will overshoot this figure when scooped. Break lumps up before measuring, or replace the jar if it has set solid.\n\nIn practice, a teaspoon of onion powder weighs 2.3 grams and a tablespoon 6.9 grams. For everyday seasoning, measure by spoon. For dry rubs and seasoning blends made in quantity, weigh it. When swapping between onion powder and granulated onion, go by weight rather than volume, since the coarser grind packs differently and no reliable cup weight for granulated onion has been published. Spoon it into the measure and level without pressing, and keep the jar tightly closed." }, { "id": "paprika", "schema_version": 3, "name": "Paprika (Ground)", "synonyms": [ "paprika", "ground paprika", "sweet paprika", "paprika powder", "Hungarian paprika", "hot paprika", "pimenton dulce", "pimentón dulce" ], "category": "spice", "default_state": "standard", "confidence": "medium", "states": [ { "id": "standard", "label": "Standard, spooned and leveled", "density_g_per_ml": 0.4599, "range_min": null, "range_max": null, "sources": [ { "name": "USDA FoodData Central (SR Legacy): Spices, paprika", "ref": "Portion weights of 2.3 g per teaspoon and 6.8 g per tablespoon. Tablespoon basis x16 = 108.8 g/cup; teaspoon basis x48 = 110.4 g/cup (coarser rounding on the smaller portion).", "fdc_id": 171329, "density_g_per_ml": 0.4599 }, { "name": "Chef's Resources dry spice conversion table", "ref": "Foodservice table measured across several vendors: paprika 3.84 oz per cup = 108.9 g/cup (12.50 tsp per oz, internally consistent). The page's prose section separately offers a 0.50 tsp-per-gram rule of thumb (96 g/cup); that shortcut is rounded to 0.05 tsp steps and is not used.", "density_g_per_ml": 0.4603 } ], "verified": "2026-09-23", "last_reviewed": "2026-09-23" } ], "yields": [], "notes": "A US cup of ground paprika weighs 109 grams, a figure on which USDA's reference weight and an independent foodservice measurement agree to within a tenth of a gram.\n\nPaprika is the dried, ground pod of Capsicum annuum, made from milder, thinner-fleshed pepper varieties than those used for chili powder. Hungary and Spain are the two traditional origins. In US retail, a jar labeled simply paprika is the sweet style; Hungarian grades run from delicate to hot, and Spanish pimentón dulce is the sweet Spanish equivalent. Grade mainly changes pungency and color, and there is no published data showing it moves cup weight, so this entry covers sweet and hot ground paprika alike. Smoking changes flavor but not packing: smoked paprika, dried over wood smoke before grinding, has its own entry and shares this figure.\n\nUSDA's SR Legacy record for ground paprika lists 6.8 grams per tablespoon, which scales to 108.8 grams per cup. A foodservice conversion table built from measurements across several vendors lists paprika at 3.84 ounces per cup, or 108.9 grams. Two independent methods, one lab reference and one kitchen measurement, land on the same number. USDA's teaspoon figure of 2.3 grams scales to 110.4, within 1.5%, which is simply coarser rounding on a smaller portion.\n\nLower figures circulate, and all of them trace to rounding rather than measurement. McCormick's label lists a quarter teaspoon as 0.5 grams. At 109 grams per cup, a quarter teaspoon actually weighs about 0.57 grams, and labels round to the half gram, so the printed 0.5 is correct rounding, but scaling it back up to a cup gives a false 96. The same foodservice site that measured 109 in its table also offers a half-teaspoon-per-gram rule of thumb in its prose, which works out to the same 96; it is a shortcut, not a measurement. At the other end, some online converters publish 123 grams per cup while listing 6.8 grams per tablespoon on the same page. Sixteen tablespoons at 6.8 grams is 109 grams, so 123 is an arithmetic error. None of these is used here.\n\nThe physics supports a middling figure for a spice. USDA composition data shows roughly 13% fat, 14% protein, and 35% fiber by weight. Ground pepper pericarp breaks into flat, papery flakes that bridge against each other and trap air, keeping paprika well lighter than crystalline or granular powders. The fat coats each particle in a thin oily film that makes the powder slightly tacky, so it absorbs humidity, clumps, and compresses under a scoop. The 109 figure assumes fresh powder spooned and leveled; pressed or humid-clumped paprika can run heavier. Within the spice family, paprika sits just below ground nutmeg at 112 grams per cup and inside ground allspice's 96 to 116 range.\n\nIn practice, a teaspoon of paprika weighs 2.3 grams and a tablespoon 6.8 grams. For seasoning, measure by spoon without concern. For dishes where paprika is the main spice, such as goulash or paprikash calling for several tablespoons, weigh it. Spoon it into the measure and level without pressing, break up clumps first, and keep the jar tightly sealed." }, { "id": "pumpkin-pie-spice", "schema_version": 3, "name": "Pumpkin Pie Spice", "synonyms": [ "pumpkin pie spice", "pumpkin spice", "pumpkin spice blend", "pumpkin pie spice blend", "pumpkin pie seasoning" ], "category": "spice", "default_state": "standard", "confidence": "medium", "states": [ { "id": "standard", "label": "Standard, spooned and leveled", "density_g_per_ml": 0.3787, "range_min": null, "range_max": null, "sources": [ { "name": "USDA FoodData Central (SR Legacy): Spices, pumpkin pie spice", "ref": "Portion weights of 1.7 g per teaspoon and 5.6 g per tablespoon. Tablespoon basis x16 = 89.6 g/cup (published figure); teaspoon basis x48 = 81.6 g/cup, lower from rounding on a 1.7 g portion.", "fdc_id": 171332, "density_g_per_ml": 0.3787 }, { "name": "Chef's Resources dry spice conversion table", "ref": "Foodservice table measured across several vendors: pumpkin spice 3 oz per cup = 85.0 g/cup; tablespoon (5.33 per oz) and teaspoon (16 per oz) columns agree. Measured as the blend, not computed from components.", "density_g_per_ml": 0.3595 } ], "verified": "2026-09-23", "last_reviewed": "2026-09-23" } ], "yields": [], "notes": "A US cup of pumpkin pie spice weighs about 90 grams, a figure on which USDA's reference weight and an independent foodservice measurement agree within 6%, inside the 10% tolerance held for spices.\n\nPumpkin pie spice is a ground blend of warm baking spices, classically led by cinnamon with ginger, nutmeg, and allspice or cloves. Proportions vary by brand, but the name reliably describes the same family of blend, which is why it can be catalogued as a single ingredient. It contains no pumpkin. ExactCups treats blends like this one only when the name defines the product, and only on measurements of the blend itself, never on figures computed from its components.\n\nUSDA's SR Legacy record lists 5.6 grams per tablespoon, which scales to 89.6 grams per cup. Its teaspoon figure of 1.7 grams scales lower, to 81.6, but a 1.7 gram portion rounded to a tenth of a gram carries several percent of rounding error, so the tablespoon basis is used. A foodservice conversion table built from measurements across several vendors lists pumpkin spice at 3 ounces per cup, or 85 grams, with its tablespoon and teaspoon columns agreeing.\n\nThat same foodservice table shows why a blend cannot be treated as the average of its parts. It measures ground cinnamon at 116 grams per cup, nutmeg at 110, ground cloves at 105, allspice at 96, and ginger at 92. The blend, at 85, is lighter than every one of its components. A weighted average of those figures would overstate the blend's cup weight by 15 to 25 percent. The mechanism is not established; one plausible explanation is that mixing and sifting aerate the blend, and particles of very different shapes and sizes, from cinnamon's bark fibers to nutmeg's oily fragments, settle into a looser bed together than each does alone. Whatever the cause, the measured blend is the only defensible basis.\n\nThe blend's composition leaves a fingerprint in the USDA data. Pumpkin pie spice is about 12.6% fat, mostly saturated, with myristic acid the largest component. Myristic acid is named for nutmeg, whose fat is rich in it, so the nutmeg share of the blend accounts for much of that fat.\n\nIn practice, a teaspoon of pumpkin pie spice weighs about 1.9 grams and a tablespoon 5.6 grams. Most pie and quick-bread recipes call for one to two teaspoons, where the difference between the two sources amounts to a tenth of a gram, so measuring by spoon is fine. Two cautions matter more than the figure. First, when substituting a homemade blend, mix it by weight, because each component packs differently and a volume recipe will not reproduce a commercial blend's balance. Second, pumpkin pie spice loses aroma faster than whole spices, so a jar kept from last autumn will measure the same weight but deliver noticeably less flavor. Spoon it into the measure and level without pressing, and keep the jar tightly closed." }, { "id": "red-pepper-flakes", "schema_version": 3, "name": "Red Pepper Flakes", "synonyms": [ "red pepper flakes", "crushed red pepper", "red chili flakes", "chili pepper flakes", "pizza pepper", "crushed red pepper flakes" ], "category": "spice", "default_state": "standard", "confidence": "low", "states": [ { "id": "standard", "label": "Standard, crushed dried red chili peppers with seeds retained", "density_g_per_ml": null, "range_min": 0.3378, "range_max": 0.4074, "withheld": true, "withheld_reason": "Red pepper flake density spans 80-96 g/cup depending on seed proportion, cut coarseness, and pepper blend. Chef's Resources spice table measures 79.9 g/cup for their standard cut; USDA Branded Food record for a specific crushed red pepper product (UPC 411010983403) measures 96 g/US cup. Both are direct measurements of legitimate commercial products but 20% apart — retained seeds and finer crush make the product denser, and there is no single canonical product identity to pin the figure to.", "sources": [ { "name": "Chef's Resources dry-spice-yields table", "ref": "Chef's Resources publishes a self-consistent dry spice yields table (chefs-resources.com/culinary-conversions-calculators-and-capacities/dry-spice-yields/) with red pepper flakes at 2.82 oz per US cup = 79.9 g/cup, matching their calculator's 0.60 tsp per gram (which reads out as 1 tsp = 1.67 g, and 48 tsp × 1.67 g = 80 g/cup). Anchor for the low end of the range. Reflects a standard commercial cut without seed-heavy loading.", "density_g_per_ml": 0.3378 }, { "name": "USDA Branded Foods (UPC 411010983403, Crushed Red Pepper)", "ref": "USDA Branded Food record for a specific commercial crushed red pepper product measures 101 g per metric cup = 3.4 oz per US cup = 96 g per US cup. Anchor for the high end of the range. Density 0.4074 g/mL reflects a product with retained seeds and a finer crush than the Chef's Resources reference standard.", "density_g_per_ml": 0.4074 }, { "name": "USDA FoodData Central (FDC 170932, ground cayenne — related reference)", "ref": "USDA generic record 'Spices, pepper, red or cayenne' measures 90 g/metric cup = 85 g/US cup (0.359 g/mL). This is the GROUND cayenne form, not crushed flakes; already the anchor for the site's existing `cayenne-pepper` entry (WITHHELD 85-101 for its own product identity spread). Included here as a related-family reference showing that the whole red-pepper-spice family lives in the 80-100 g/cup band regardless of grind." } ], "verified": "2026-09-23", "last_reviewed": "2026-09-23" } ], "yields": [], "notes": "One cup of crushed red pepper flakes weighs somewhere between 80 and 96 grams (0.338-0.407 g/mL). The site publishes this as a range at LOW confidence because the two direct-measurement sources — Chef's Resources spice table at 79.9 g/cup and USDA Branded Food record for a specific crushed red pepper product at 96 g/cup — disagree by 20% and both figures are legitimately measured. The variance is real product variance, not measurement error.\n\nRed pepper flakes (also called crushed red pepper or, informally, pizza pepper) are dried hot chili peppers crushed into irregular flakes with the seeds typically retained. Common commercial products blend multiple pepper varieties (cayenne, ancho, bell) rather than using a single cultivar, and the seed-to-pericarp ratio varies substantially across brands. Retained seeds intensify both heat (seeds carry more capsaicin per unit mass) and density (seeds are more compact than the papery pericarp flakes). Coarser crushes leave more air per cup; finer crushes pack denser. These two variables together account for the 20% spread across sources.\n\nRed pepper flakes are distinct from three related products the site treats separately. Ground cayenne pepper is finer, denser, more uniform, and typically single-cultivar; the site's `cayenne-pepper` entry lives at 85-101 g/cup. Chili powder is a blend that includes cumin, oregano, garlic, and other spices in addition to ground chili — different flavor profile, different density (~107 g/cup), different intended use. Sweet paprika is ground from a different, non-spicy Capsicum cultivar and reads about 109 g/cup with none of the heat. Substituting any of these for red pepper flakes by volume produces a wildly different result in flavor and heat, well beyond any density concern.\n\nSub-gram serving labels on retail products cannot be trusted for red pepper flake density. McCormick Crushed Red Pepper Flakes lists 1 tsp = 0.32 g, which reads out to about 15 g/cup — five times less than every other source and physically implausible for a coarse dried product. This is a familiar sub-gram rounding artifact: FDA labels can round a serving mass to 0, 0.5, or 1 g, so any spice used in less-than-1-g portions per label serving has an implied density that swings wildly under rounding. Labels are useful for identifying the product; they are not useful for density.\n\nFor practical cooking, the density spread matters less than the Scoville heat spread, which can be 2-3x across brands (10,000 SHU for a mild pizza-parlor blend vs 40,000 SHU for a hot Calabrian-style blend). Weight-critical applications like calibrated hot sauces, competition BBQ rubs with tight ratios, and commercial canning brines should weigh the specific product being used and note both mass per tsp and estimated Scoville heat. Everyday cooking (a pinch on pizza, a shake into pasta sauce) is unaffected by density variance — the recipe is tuned to taste anyway.\n\nStorage and freshness: whole flakes retain aromatic volatile oils longer than ground cayenne because the larger particle surface-to-volume ratio slows oxidation. Peak potency lasts 6-12 months after opening in a cool, dark cupboard; older flakes lose heat and aroma but not density." }, { "id": "smoked-paprika", "schema_version": 3, "name": "Smoked Paprika (Ground)", "synonyms": [ "smoked paprika", "Spanish smoked paprika", "pimenton de la vera", "pimentón de la Vera", "sweet smoked paprika", "hot smoked paprika", "bittersweet smoked paprika", "smoked pimenton" ], "category": "spice", "default_state": "standard", "confidence": "medium", "states": [ { "id": "standard", "label": "Standard, spooned and leveled", "density_g_per_ml": 0.4599, "range_min": null, "range_max": null, "sources": [ { "name": "USDA FoodData Central (SR Legacy): Spices, paprika (unsmoked physical analog)", "ref": "6.8 g per tablespoon x16 = 108.8 g/cup. No separate USDA volumetric record exists for smoked paprika; used as anchor because smoked paprika is the same Capsicum annuum pericarp powder, dried over wood smoke.", "fdc_id": 171329, "density_g_per_ml": 0.4599 }, { "name": "Chef's Resources dry spice conversion table", "ref": "Page states smoked paprika follows the same conversion as regular paprika; the table measures regular paprika at 3.84 oz per cup = 108.9 g/cup across several foodservice vendors.", "density_g_per_ml": 0.4603 } ], "verified": "2026-09-23", "last_reviewed": "2026-09-23" } ], "yields": [], "notes": "A US cup of smoked paprika weighs 109 grams, the same as plain ground paprika, because smoking changes flavor and color but not how the powder packs, and the one foodservice source that covers both treats them as identical.\n\nSmoked paprika is ground Capsicum annuum pods that are dried over smoldering wood, usually oak, before milling. The benchmark product is Spain's Pimentón de la Vera, a protected designation of origin from the La Vera district of Extremadura, where La Chinata is the most widely exported brand. It is sold as sweet (dulce), bittersweet (agridulce), and hot (picante). US spice houses including McCormick, Simply Organic, and Frontier Co-op sell their own oak-smoked versions. Plain paprika, by contrast, is dried without smoke.\n\nThere is no separate USDA reference weight for smoked paprika. A foodservice conversion table built from measurements across several vendors states that smoked paprika follows the same conversion as regular paprika, which it measures at 3.84 ounces per cup, or 108.9 grams. USDA's reference for plain ground paprika is 108.8 grams per cup. This entry anchors to that USDA figure as a physical analog.\n\nUsing the plain paprika figure is a physical judgment, not a shortcut. Smoking is a drying method. The ground result is the same flaky, fibrous pepper-wall powder with the same thin oil film that makes plain paprika tacky, humidity-sensitive, and compressible under a scoop. Nothing in the smoking step plausibly changes particle shape or composition enough to shift bulk density. Confidence is medium rather than high because no direct cup measurement of smoked paprika specifically has been published.\n\nRetail labels are a trap here. McCormick's smoked paprika panel lists a quarter teaspoon as 1 gram, while its plain paprika panel lists a quarter teaspoon as 0.5 grams. Taken literally, that implies 192 versus 96 grams per cup for nearly identical products. The true weight of a quarter teaspoon at 109 grams per cup is about 0.57 grams: round it to the nearest half gram and you print 0.5, round it up to a whole gram and you print 1. Both labels are correct roundings of the same weight, and neither is density data. Simply Organic's smoked paprika label, at 2 grams per teaspoon, is the same story, a true 2.3 grams rounded to the whole gram. None of these label figures is used here.\n\nFor measuring, smoked and plain paprika are interchangeable by volume: 2.3 grams per teaspoon and 6.8 grams per tablespoon. For flavor they are not interchangeable, since smoked paprika is intense and a recipe that calls for it wants the smoke. Bloom it briefly in fat to release color and aroma, but pull it before it browns, because paprika scorches quickly and turns bitter. Spoon and level without pressing, break up clumps first, and keep the tin sealed." }, { "id": "white-pepper-ground", "schema_version": 3, "name": "White Pepper, Ground", "synonyms": [ "ground white pepper", "white pepper powder", "Piper nigrum white" ], "category": "spice", "default_state": "standard", "confidence": "medium", "states": [ { "id": "standard", "label": "Standard, spooned and leveled", "density_g_per_ml": 0.48, "sources": [ { "name": "USDA FoodData Central SR Legacy — Spices, pepper, white (ground)", "ref": "Standard Reference direct measurement. 120 g per metric cup (114 g per US cup, density 0.4800 g/mL). Anchor for this entry.", "density_g_per_ml": 0.48 }, { "name": "USDA FoodData Central Branded — Pepper (White)", "ref": "UPC 725677221489. Label-derived record; aqua-calc computes 122 g per metric cup (116 g per US cup, density 0.4880 g/mL). Within 1.7 percent of the USDA SR anchor.", "density_g_per_ml": 0.488 }, { "name": "Chef's Resources — Dry Spice Yields chart", "ref": "Table lists Pepper, White Ground at 4.12 oz/cup (117 g per US cup, density 0.4937 g/mL). Within 2.9 percent of the USDA SR anchor.", "density_g_per_ml": 0.4937 } ], "verified": "2026-09-23", "last_reviewed": "2026-09-23" } ], "yields": [], "notes": "White pepper packs at about 114 g per US cup, roughly three percent heavier than black pepper. USDA FoodData Central, USDA Branded records, and Chef's Resources all agree within three percent of each other, so this entry publishes a single figure with medium confidence.\n\nWhite pepper is the same berry as black pepper (Piper nigrum), harvested when ripe rather than green and then processed to remove the outer skin. The ripe berries are soaked in water for a week or more, the softened husk is rubbed away, and the pale inner kernel is dried and ground. Removing the black husk changes both the density and the flavor. The husk carries most of the coarse fiber and the sharp piperine notes, so ground white pepper is a heavier, denser powder with a milder, earthier flavor and often a slightly musty aroma from the fermentation step during dehulling.\n\nSources converge tightly on the density. USDA FoodData Central's SR Legacy record for Spices, pepper, white (ground) gives 120 g per metric cup, which works out to 114 g per US cup at a density of 0.480 g/mL. A USDA Branded Foods record (UPC 725677221489) reports 122 g per metric cup, essentially matching. Chef's Resources publishes 4.12 oz per US cup (117 g), also within tolerance. The three sources span just three percent, a normal spread for a well-defined ground spice with a fairly fixed particle-size class.\n\nThe comparison to black pepper is worth drawing because bakers and cooks often substitute one for the other. USDA's SR Legacy for Spices, pepper, black (ground) gives 116 g per metric cup, so white pepper is a few percent denser than black by USDA's own measurement. The physical reason is the missing husk: black pepper's dark outer skin is a fibrous layer that entrains air pockets across a cup of ground powder, while white pepper is essentially ground endosperm — denser starch and alkaloids without the structural husk fiber. This holds across brands. Black pepper published values span a wider range (roughly 111 to 134 g per US cup in the records collected for this database, published as a range because the spread exceeds the 10 percent spice tolerance) because the husk-to-kernel ratio varies with berry size, drying method, and grind coarseness. White pepper is a more processed and more standardized product, so brand-to-brand variance is smaller and a single figure captures the reality accurately.\n\nKing Arthur's Ingredient Weight Chart does not list either white pepper or black pepper. The chart is silent on both. There is no correction opportunity here; the site simply publishes what USDA and the reference chart already agree on.\n\nWhite pepper is used where black pepper's dark specks would be visible against a pale sauce or purée (cream sauces, béchamel, mashed potatoes, vanilla custards with peppery accents) or where its milder, earthier flavor is wanted in place of black pepper's sharper piperine bite. It is standard in several Chinese and Southeast Asian cuisines, particularly in soups like hot and sour where the fermented-earthy note is part of the flavor profile. Substitution to black pepper is roughly one-to-one by weight, but because white pepper is a few percent denser, a teaspoon of white pepper delivers slightly more spice by mass than a teaspoon of black. For most recipes this is within rounding error; for tightly balanced spice blends the difference can matter, and weighing is the reliable answer." } ]