WARMS LEFTOVERS refers to the process of reheating food that has been cooked and stored in the refrigerator. Reheating leftovers is a common practice, as it allows people to enjoy their favorite meals multiple times without having to cook them from scratch each time. The term WARMS LEFTOVERS is often used to describe the process of reheating food, which can be done in a variety of ways such as in the oven, on the stovetop, or in the microwave.