Are Leftovers Safe to Eat?

Caption: Finishing leftovers is a common practice, but is it safe for your health? Chan Ya Ling, Dietitian from the Department of Dietetics at Sengkang General Hospital, dishes the truth on a common health myth. (iStock photo)

Question: “My family doesn’t like to waste food, so we frequently keep leftovers and heat them up for the next meal. Unless they smell or taste bad, leftovers are safe to eat, right?”

Answered by Chan Ya Ling, Dietitian, Department of Dietetics, Sengkang General Hospital (SKH), a member of the SingHealth group.

This may be a thrifty way to live but eating leftovers may mean that you are consuming incorrect portions of food groups and an unbalanced meal the next day. Storing and reheating leftovers inappropriately also run the risk of food poisoning. Here are tips on how to properly store and minimise on leftovers.

Tips to safely store and minimise leftovers

1.      Plan, prep and store food correctly to prevent leftovers.

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2.      Portion out and keep the extra food in clean covered containers if you are cooking more than one meal.

3.      Always spoon out the portion you want to eat onto a separate dish to prevent contamination of the remaining food.

4.      Bacteria multiply in the temperature danger zone of 5 to 60°C. Do not leave food in this danger zone for more than two hours. Otherwise, refrigerate it (4°C) and throw out any food that has been left out standing for more than four hours.

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5.      Consume cooked food within two to three days of cooking and these should not be reheated more than once.

6.      Young children, pregnant women, the elderly, transplant patients, chemotherapy patients and patients on immune suppressing medications should avoid eating leftovers, as they are more vulnerable to getting food-borne infections and developing serious complications

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Articles on are meant for informational purposes only and cannot replace professional surgical, medical or health advice, examination, diagnosis or treatment.