Pizza Casserole
["1 lb. hamburger", "2 (16 oz.) cans pizza sauce", "1 (10 oz.) pkg. Mozzarella cheese", "1 (8 oz.) pkg. elbow macaroni, cooked", "4 oz. pepperoni slices", "1 can mushrooms (optional)"]
["Brown hamburger with onion, salt and pepper.", "Drain.", "Mix pizza sauce with macaroni and hamburger.", "Put in greased casserole, alternating layers with pepperoni and cheese, ending with cheese.", "Bake, uncovered, 30 to 45 minutes in a 350\u00b0 oven."]
["hamburger", "pizza sauce", "Mozzarella cheese", "elbow macaroni", "pepperoni slices", "mushrooms"]