Cheesy Broccoli Rice Casserole
2 (10 ounce) boxes frozen chopped broccoli, thawed
2 cups cooked rice
8 ounces shredded cheddar cheese
2 (10 3/4 ounce) cans cream of chicken soup
1 small onion, chopped
2 tablespoons butter
Prep Day: Cook onion in butter in large skillet until soft. Add remaining ingredients and cook just until cheese is melted. Put in 2 quart casserole dish.
Serve Day: Thaw. Bake at 350 (uncovered) for 1 hour. If cooking from frozen state, add ten minutes or so, check for doneness.