1 lb. hamburger
1/4 tsp. onion salt
1 egg
1/2 tsp. salt
2 c. Rice Krispies
1 can cream of mushroom soup

Combine all ingredients except the cream of mushroom soup. Form into meatballs and place in buttered casserole. Place cream of mushroom soup over meatballs. Bake in 325 degree oven. Stir up meatballs after half hour. Bake for another half hour.