Decorate Bunny Head Sugar Cookies Flood the bunny head w/ 20-second royal icing. Pipe bow with 20-sec. royal icing, let dry approx. 1 hr uncovered or until dry to gentle touch. Pipe center of bow with toothpaste consistency icing and let dry uncovered, overnight. Stencil or pipe ears for 1 side. Add diamond dust if desired. Dry 15 min, repeat on other side. Add rosy cheeks with elite color powder. Stencil or pipe on the face details with royal icing to finish.