Fix Ahead Mashed Potatoes
["5 lb. potatoes", "1 stick butter", "1 carton sour cream with chives", "salt, pepper and garlic salt to taste", "1 (8 oz.) cream cheese"]
["Cook potatoes until tender; drain.", "Add remaining ingredients. Spoon mixture into a lightly greased 9 x 13-inch baking dish. Brush top of mixture with melted butter.", "Bake immediately or cover and refrigerate.", "If refrigerated, let stand at room temperature 30 minutes before baking.", "Bake at 350\u00b0, uncovered, for 30 minutes."]
["potatoes", "butter", "sour cream", "salt", "cream cheese"]