Make cookies. Prepare cookie dough and roll out following recipe directions. Cut using carrot cutter from set. Bake and cool completely.
Decorate cookies. Prepare royal icing following recipe directions. Tint green and orange. Use tip 2 and full-strength green icing to outline top of carrot. Use tip 2 and full-strength orange icing to outline bottom of carrot. Use thinned green icing in a cut parchment bag to fill in top of cookie. Use thinned orange icing in a cut parchment bag to fill in bottom of cookie. Let dry 24 hours.