Once the icing has dried completely, it becomes a blank canvas for a painted work of art. If you can find cookie cutters in an assortment of sizes, make a forest of small and large trees.
Bake the cookies according to the Gingerbread Cookies recipe for 12–15 minutes. Let cool completely, about 30 minutes.
Spoon the icing into a paper cone or pastry bag with a ¼-inch (6-mm) plain round tip. Pipe the icing around the edge of each cookie to form a border. Pipe the icing int