Pizza Casserole
["1 lb. hamburger", "onion to taste", "1 (15 oz.) can pizza sauce", "2 c. curly noodles, cooked", "2/3 c. milk", "1 can mushrooms", "1 lb. Mozzarella cheese"]
["Brown hamburger; mix in sauce and mushrooms.", "Put 1/2 in a 2-quart dish.", "Spread cheese; add remaining hamburger mix.", "Add cheese on top.", "Pour 2/3 cup milk on top of cheese.", "Bake at 350\u00b0 for 1/2 hour."]
["hamburger", "onion", "pizza sauce", "curly noodles", "milk", "mushrooms", "Mozzarella cheese"]