1 average size pkg. of frozen broccoli
1 med. onion (chopped)
1/4 c. mayonnaise
2 oz. melted butter
1/2 c. sour cream
1 tsp. salt
1 can cream of mushroom soup (reg. size)

Cook broccoli until tender. Drain and mix with other ingredients. Pour casserole in medium size baking dish. Put grated mild Cheddar cheese on top of casserole. Then put crumbled up Ritz crackers on top of melted butter. Bake at 350 degrees for 1 hour. Serves 8.