Make Ahead Mashed Potatoes
["5 lb. potatoes (not Idaho)", "1 onion", "8 oz. cream cheese", "1 c. sour cream", "salt and pepper"]
["Boil potatoes with 1 whole onion until potatoes are done. Discard onion.", "Mash potatoes with cream cheese, sour cream, salt and pepper.", "If dry, add a little milk and 1 beaten egg. Refrigerate in buttered dish.", "Dot with butter on top. Cover while refrigerated.", "Bring to room temperature.", "Bake, uncovered, at 350\u00b0 for 45 minutes.", "Serves 8."]
["potatoes", "onion", "cream cheese", "sour cream", "salt"]