Try this homemade Rice Casserole recipe the whole family will love. Made with butter, onion, mushroom soup and mushrooms. Easy step-by-step instructions…
This Rice Casserole relies on simple, everyday ingredients such as butter, small onion, chopped, (10 oz.) can mushroom soup and grated sharp cheddar cheese. It comes together quickly and makes 4 servings, at about 864 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.
Updated Jun 30, 2026