Category
Sugars & sweeteners
Sugars are hygroscopic and crystal size varies by brand. A packed cup can overshoot by 20%, collapsing cakes or making cookies spread. Weight guarantees the chemistry (Maillard, creaming) behaves as intended.
Source: USDA FDC - sugar search
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Cluster composition
This category covers 3 ingredients. The dominant attribute clusters are dry granular ingredients and dry powders and leaveners.
- dry granular ingredients — 2 ingredients
- dry powders and leaveners — 1 ingredient
FAQ
Why weigh sugar? Crystal size and packing change the true amount. Too much weakens gluten and can cause collapse; too little yields tough bakes.
Does powdered sugar behave differently? Yes. It contains starch and compacts drastically. Always weigh for frostings and shortcrusts.
Primer
These category tables convert volume to mass using ingredient-specific densities. Use weight for precision; volume varies with packing, cut, and temperature.
Methodology
- Density references are summarized from U.S. government sources (USDA FoodData Central, USDA FNDDS) and lab-standard data when available.
- Conversions keep higher-precision intermediates and round to practical kitchen values.
- Default volume is the US cup unless a page explicitly uses metric or UK standards.
Unit standards
- Mass: grams (g).
- Volume: mL, US cup, tbsp, tsp.
- Assumed temperature: room temperature unless stated otherwise.
Examples and edge cases
- Granulated vs. powdered sugar pack differently (USDA FDC).
- Brown sugar moisture raises mass per cup (USDA FDC).
- Liquid sweeteners (honey, syrup) vary by water content (USDA FDC).
- Crystal size changes bulk density (USDA FDC).
Last updated: 2026-05-31