1/2 c. chopped onion
1 tbsp. butter
2 c. cooked rice
1 (10 3/4 oz.) can condensed cream of mushroom soup
1 (10 oz.) pkg. frozen chopped broccoli, thawed
1/2 c. grated Cheddar cheese

Cook onions in butter just until tender. Stir in rice, soup and broccoli. Turn into buttered shallow 1 1/2 quart casserole. Top with cheese. Bake at 350 degrees for 30 minutes.