Gingerbread House Icing

Step 1

In a large clean bowl, beat egg whites and cream of tartar with electric mixer at medium speed.

Step 2

Add powdered sugar in small amounts, mixing well on high speed after each addition.

Step 3

Beat on high speed 4-5 minutes or until mixture thickens.

Step 4

Refrigerate, covered, until ready to use.

Step 5

You may need to stir icing to soften before use.