Frosted Holiday Sugar Cookies PT40M https://img1.recipesrun.com/201907/2019/0731/55/b/653208/300x200x90.jpg Whether you're making Santas or dreidls, shamrocks or bunnies, this foolproof cookie and royal icing recipe is the only one you need. Don't skip chilling the dough after rolling it out. It really helps the cookies keep their shape while baking. And if you'd like to frost the cookies very generously, consider doubling the icing amounts below. 20 servings Ingredients: Food coloring, as needed Kosher salt 1/2 teaspoon Cream of tartar 3 Large egg whites 1 pound Confectioners’ sugar 1 Large egg 2 teaspoons Vanilla extract 1 1/2 cups Confectioners sugar 1 cup Unsalted butter 1/2 teaspoon Kosher salt 1 teaspoon Cream of tartar 1 teaspoon Baking soda 2 1/2 cups All-purpose flour, more for rolling