When you cook, it's not easy to control the amount. There's bound to be some leftover food. Don't throw away the leftovers. Store them in the microwave I think it's mostly reheated. But in terms of health, It's often said that it's not desirable. It's best to cook as much as possible and not leave anything behind, but if you're forced to leave your food and have to reheat your stored food, Pleas..