Baked Mashed Potatoes
["5 lb. potatoes, cooked", "1 large pkg. cream cheese", "1 pt. sour cream", "1 stick butter", "1 onion, chopped", "salt and pepper to taste"]
["Cream potatoes, cream cheese, sour cream and butter.", "Add onions, salt and pepper.", "Put in baking dish; top with butter and Parmesan cheese.", "Bake at 350\u00b0 for about 30 minutes."]
["potatoes", "cream cheese", "sour cream", "butter", "onion", "salt"]