If you want to decorate your cookies like ours here, when you’re preparing this icing, use the “6-second pull test” to determine if it is the correct consistency.

Fill each outlined panel, using an offset spatula to smooth the icing evenly and into the corners. Let dry for 6 to 12 hours or until firm. Have fun decorating with another color ; be sure to wait ...

Holiday cookies are a fun tradition, but if you’re anything like me, icing those cookies usually leads to a frustrating mess. The Kitchn’s two-step process makes it simple.