Here's the magic recipe for gingerbread houses and confections. Make it and use it right away for the consistency and success for decorating your gingerbread house!
In the bowl of an electric mixer fitted with a wire attachment, add the sugar, egg whites, and cream of tartar.
For building gingerbread houses, beat until thick and creamy.
For the red doors and custom door mats, beat until the icing is a thick pourable consistency.
To make icicles:
To be sure that you have enough Royal Icing, fill a 12" cake-decorating bag 1/2 full of Royal icing prior to decorating your gingerbread house. This way, the Royal icing will be reserved for the best part - icicles!