8 oz. pkg. noodles, cooked
1 lb. ground beef, browned with 3 chopped onions
1 sm. can tomato puree
1 can tomato soup
1 med. size can sliced mushrooms
1/2 lb. shredded Cheddar cheese

Brown meat and onions. Add other ingredients. Add noodles and cheese last. Put in buttered casserole and bake at 350 degrees until heated and slightly browned.