https://www.wilton.com/covering-cookies-with-thinned-icing/WLTECH-383.html
Covering Cookies with Thinned Icing
This icing creates a smooth, shiny look with color that really pops! It’s sensational for seasonal cookies. Click here to view holiday cookie ideas.
Steps:
Step 1
Outline cookies using royal icing with a round tip.

Step 2
Thin icing and flow in using a cut parchment bag.

Step 3
Let dry 8-12 hours.
