Glossary · Cooked and raw weight

Cooked and raw weight

Cooked and raw weight are the two weights a food can be measured at, and for foods that absorb or lose water they differ enough to change the calories by a third or more. IZeat's assistant asks which weight was measured for the foods where it matters, rice, pasta, oats, meat, and records the quantity with the answer in the customer's own words.

Rice and pasta roughly triple in weight when cooked, and meat loses water, so 150 g of cooked rice and 150 g of dry rice are very different figures. The rule is to ask only what would change a figure by more than a third, in one short question, and only when the customer's words leave it open: raw or cooked for what absorbs water, the fat something was cooked in, the size of a portion. Never how a vegetable was cooked when no fat was involved.

The cooked or raw question is the single most common source of a large error in a food record, larger than any database disagreement, which is why it is one of the few questions IZeat's assistant is told to always ask when the words leave it open. The other two are the fat something was cooked in and the size of a portion nobody weighed. Everything else it works out from what was said.

Put it into practice: Logging a meal.

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