PROBLEM TO BE SOLVED: To provide a composition for foods to be thawed and heated by microwave, capable of preventing microwave burn of frozen foods; a composition for foods to be thawed and heated by microwave, capable of preventing freezer burn and microwave burn; and frozen noodles to be thawed and heated by microwave, which contain the composition.SOLUTION: A composition contains specific amounts of water, fat, polyalcohol, and an emulsifier. Another composition further contains a specific amount of polysaccharide.