This icing makes about 2 1/2 cups. Do not double the recipe...you'll have plenty!
5 Tb. meringue powder
1/2 cup water, plus more for thinning as needed
1 pound confectioner's sugar
In a bowl of electric mixer fitted with the paddle attachment, beat meringue powder and the water on low speed until combined. Add sugar, scrape down the sides of bowl, and beat on medium speed until soft peaks form, about 10 minutes. Thin with a bit more water, as needed. Icing should be used immediately, as it hardens quickly. This is a great icing that is used to make gingerbread houses. It works like glue!