Hamburger And Macaroni Casserole
["1 lb. hamburger", "1 small onion, diced", "1 c. macaroni", "2 cans tomato soup"]
["Brown hamburger and onion.", "Cook macaroni in 2 quarts salted water, then drain.", "Add 2 cans tomato soup to the hamburger and macaroni.", "Bake at 350\u00b0 for 30 minutes.", "Can be covered with cheese, then heated until cheese melts.", "Can add chopped celery or peppers to hamburger as well."]
["hamburger", "onion", "macaroni", "tomato soup"]