In the bowl of a stand mixer or in a bowl with a handheld electric mixer, mix all the ingredients for approximately 3 to 5 minutes, until the frosting is light and airy. Using a large round metal ...

Kat Lieu is the author of 108 Asian Cookies and the founder of Subtle Asian Baking. Through the decades, royal icing has been the edible glue of choice when it comes to building gingerbread houses.