Follow package directions for making icing or prepared buttercream recipe. Stir in orange zest, orange oil and desired amount of color. Fill bag half full. Cut slit in top of cupcake with a sharp knife. Squeeze icing into slit until cupcake slightly puffs.
Ice cupcakes with remaining icing.
Makes 12 servings. Tint buttercream icing with Wilton Violet Icing Color and ice cupcake. Fill decorating bag with buttercream that has been tinted with Wilton Black Icing Color. May use chocolate icing and add black icing color. Use white mini jawbreakers for eyes.