For the Perfect Icing: Follow the directions for Perfect Icing
. If multiple colors of icing are desired, transfer undyed icing to different bowls (1 bowl for each color). Stir in food coloring a few drops at a time, until the desired color intensity is reached. Dip cookies in icing or drizzle with the tines of a fork. Decorate with sprinkles as desired, then allow icing to set.