The Best Mashed Potatoes Recipe. PHILADELPHIA Mashed Potatoes. Make Ahead. Mix ingredients as directed spoon into 1 12 qt. Refrigerate several hours or overnight. When ready to serve, bake, uncovered, at 3. F for 1 hour or until heated through. Sprinkle with paprika. Cream Cheese Mashed Potatoes Rachael Ray' title='Cream Cheese Mashed Potatoes Rachael Ray' />Cooking Directions. Preheat oven to 375 degrees F. In a medium saucepan over mediumhigh heat, combine the potatoes and 1 teaspoon of the salt and cover with water. Make and share this Cream Cheese Mashed Potatoes recipe from Genius Kitchen. Ranch Dressing Ingredients. Ultimate Cream Cheese Mashed Potatoes from Deep South Dish blog, made with regular baking potatoes, cream cheese, pure butter, whole milk and heavy cream. Fat free cream cheese replaces the usual butter in these creamy, cheesy mashed potatoes. This easy recipe for cream cheese mashed potatoes is a great way to jazz up simple weeknight meals.