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Field guide · leftovers

Cool cooked leftovers promptly.

  • After cooking: cool at room temperature; refrigerate within 1–2 hours
  • Eat within 48 hours or freeze
  • When reheating: only once, until steaming hot throughout

FSA advice for England, Wales and Northern Ireland. Food and local instructions still apply. Source: FSA chilling Source: FSA cooking

Read with sources
Illustrative kitchen scene with two empty glass containers, sage lids, a blank tag and pencil beside an open empty refrigerator.
Illustrative artwork

For cooked leftovers, remember three actions: cool and refrigerate within two hours of cooking; eat within 48 hours or freeze; reheat only once until steaming hot throughout. The FSA advises letting cooked food cool at room temperature, then refrigerating it within one to two hours. Source: FSA chilling and freezing. This is Food Standards Agency advice for England, Wales and Northern Ireland. Follow the food's own instructions and local guidance where they differ. Source: FSA cooking your food.

Cool and put away

Leftovers intended to be eaten cold can be eaten that way if the food was properly cooked, then cooled and refrigerated within two hours of cooking. Do not assume a photograph shows when the food was cooked or how long it sat out. If you know you will not eat the leftovers within 48 hours, freeze them. Source: FSA cooking your food, section 7.1.

The two-hour clock. After cooking, let leftovers cool at room temperature and refrigerate them within two hours. Eat them within 48 hours or freeze them.

Keep a clear record

Mark the container with what it holds and when it was cooked or refrigerated. This is an editorial practical tip, not a substitute for the two-hour and 48-hour guidance. It makes it easier to follow those limits when several similar containers are in the fridge. If the item's storage history is unknown, a dish photo will not reconstruct it.

Labelled container. A blank label can help you remember what you stored and when. The label itself is not a safety test.

Reheat all the way through

When reheating, make food steaming hot throughout, not merely warm on the outside, and reheat leftovers only once. The FSA notes that microwaves can create hot edges and cold pockets. Stirring or turning the food helps it heat more evenly; larger prepared dishes may reheat better in smaller portions. Follow package or appliance instructions where provided. Source: FSA cooking your food, section 7.2.

Hot edges, cold centre. Microwave heating can leave cold pockets. Stir or turn the food, then check that it is steaming hot throughout.

Do not decide from appearance alone

The visible dish can help with a likely name, but it cannot show time, storage temperature or whether the middle was heated sufficiently. Food Says Hi does not provide a food-safety verdict. For a packaged item, check its date and storage instructions; for home cooking, use the time and handling history you actually know.