as you pipe the buttercream frosting on the cupcake the food coloring will make a rainbow on the frosting. Cut the tip off the second pastry bag and add the straight piping tip. Fill the bag with ...

These are great for any Rainbow Party or even for St. Patrick’s Day! This post contains affiliate links. Need: Cake Mix Food Coloring Icing Cupcake liners Rainbow Sprinkles Rainbow candies ...