Outline and fill in cookies. Prepare Color Flow icing following recipe directions. Tint portions yellow and orange. Reserve some white.
Use tip 3, cut disposable decorating bag and full-strength white icing to outline cookies and to pipe a center circle. Let dry 1 hour.
Use thinned yellow icing in cut disposable decorating bag to fill in center of flower. Immediately sprinkle sparkling sugar on wet icing. Use thinned orange icing in cut decorating bags to fill in outer area. Let set 24 hours.