Butter Cookies & Royal Icing Ingredients 3 c flour 1/2 Tablespoon baking powder 1 cup sugar 2 sticks butter 1 egg 2 Tablespoons milk 1 tsp vanilla extract ROYAL ICING 1 pound confectioners’ sugar 3 tablespoons meringue powder Scant 1/2 cup water Instructions ELECTRIC MIX BUTTER & SUGAR. ADD EGG, MILK, VANILLA. ADD FLOUR &