How long is macaroni and tomato casserole good?

Macaroni and tomato casserole can be safely stored in the refrigerator for about 3 to 5 days. If you want to extend its shelf life, you can freeze it, where it will remain good for about 2 to 3 months. Be sure to store it in an airtight container to maintain its quality. Always check for signs of spoilage before consuming leftovers.