1 1/2 cups confectioners' sugar 3 tablespoons butter, softened 1 tablespoon vanilla extract 1 tablespoon milk 3 drops red food coloring 1 (2.25 ounce) jar red decorator sugar

Combine confectioners' sugar butter, vanilla and milk, beating until creamy. Thin with a few more drops of milk (if necessary) to reach desired spreading consistency. Stir in optional food coloring. Spread frosting over cooled cookies and decorate with colored sugar, if desired.