Leftover meals are portions of food that remain after a meal has been served. They can be stored in the refrigerator or freezer for later consumption, helping to reduce food waste and save time on meal preparation. Common leftover foods include cooked meats, vegetables, and grains. Reheating leftover meals is a convenient way to enjoy previously cooked dishes. Many people use microwaves, ovens, or stovetops to warm them up. Leftovers can also be transformed into new recipes, such as stir-fries or casseroles, making them a versatile option for busy individuals and families.