Potato Puff
["4 lb. potatoes (12 medium)", "1 (8 oz.) pkg. cream cheese", "1 c. sour cream", "salt and pepper", "grated onion (if desired)"]
["Boil potatoes; mash with electric mixer.", "Add cream cheese, sour cream, salt, pepper and grated onion.", "Beat at high speed until smooth and light.", "Spoon into a greased casserole.", "Dust with paprika and dot with butter.", "Bake at 350\u00b0 for 30 minutes until golden and heated through."]
["potatoes", "cream cheese", "sour cream", "salt", "onion"]