The joy from the convenience of a one-dish meal that serves, freezes, and reheats well is incomparable! There are casseroles for every mealtime to suit every taste.
I find that when I bake a big casserole and freeze the leftovers in blocks, it lasts quite a while and I don't have to make that casserole again for a few months.
Collect casserole ingredients as things come in season or go on sale, instead of having to splurge and buy them all at the same time.
Save small amounts of leftovers from other meals in well-marked freezer bags in the freezer. Don't forget small portions left in the cabinet of dried beans, peas, cheeses, and pastas. You'll be amazed how quickly the ingredients for a casserole accumulate!
Let a casserole set for 15 minutes after removing it from the oven to make cutting and serving easier.