6 oz. (or less) grated sharp cheese
1 can cream of mushroom soup
1 soup can milk
2 eggs, beaten
2 c. cooked rice (2/3 c. raw & 1 1/3 c. water)
1 pkg. frozen chopped spinach, cooked & drained
1 med. onion, chopped
Salt & pepper to taste

Mix all ingredients well and bake at 325 degrees for 1 hour.