Potato Pizza Bake
["1 lb. hamburger", "6 c. sliced potatoes", "1 medium onion", "1 can Cheddar cheese soup", "1 can milk", "1 can pizza sauce", "Mozzarella cheese", "1/2 c. Parmesan cheese"]
["Cook hamburger and onion together.", "Mix all other ingredients together. Pour over potatoes.", "Cover and bake at 375\u00b0 for one hour and 15 minutes.", "Remove cover and bake for 15 minutes more."]
["hamburger", "potatoes", "onion", "Cheddar cheese soup", "milk", "pizza sauce", "Mozzarella cheese", "Parmesan cheese"]