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What you can and cannot reheat

2 questions about what you can reheat — 1 yes, 0 no, and 1 that genuinely depend on the specifics.

Question Answer Short version
rice It depends Yes, once, if it was cooled fast and refrigerated within an hour. Otherwise throw it away.
chicken Yes Yes, to 74 °C (165 °F) throughout. Reheating more than once is where the risk creeps in.

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