Pizza Casserole
["1 lb. hamburger", "1 large onion, chopped", "1/2 tsp. salt", "1 (8 oz.) pkg. uncooked elbow macaroni (2 c.)", "1 (16 oz.) jar spaghetti sauce", "4 oz. pepperoni slices", "1 (8-10 oz.) pkg. grated Mozzarella cheese"]
["Brown hamburger with onion; drain off fat. Meanwhile, bring 3-4 quarts of water to a boil; add macaroni and boil 10-12 minutes. Drain. Mix pizza sauce with macaroni and hamburger. Place in a 3 quart casserole dish, alternating layers with pepperoni and cheese. End up with cheese. Bake uncovered at 350\u00b0 for 30-40 minutes."]
["hamburger", "onion", "salt", "elbow macaroni", "spaghetti sauce", "pepperoni slices", "Mozzarella cheese"]