Red, white & blue tie dye cookies vote now AppetizerVery Easy25 min Send this recipe to a friend Print this page Ask a question to the author Post your photo of this recipe Ingredients 6 10 tablespoons (1 1/4 sticks) unsalted butter, room temperature 1/2 cup sugar 1/4 teaspoon salt 1 large egg 1 1/4 teaspoons vanilla extract 2 cups all purpose flour 1) Royal Icing: 3 1/4 cups (or more) powdered sugar, sifted 4 teaspoons meringue powder + 4 Tablespoons water = 2 egg whites 1 teaspoon pure vanilla extract View the directions