Royal icing for cookies -- great recipe! I used 2 egg whites since I didn't have meringue powder, and reduced the water to compensate (total cup liquid). It makes a LOT; I could probably frost 4 or 5 more batches of cookies with what's left!
THE ONE W EGG WHITES. Royal Icing Recipe ~ If you are looking for the Perfect Frosting to Glue your Gingerbread House together, then you’re going to want to use Royal Icing. Royal Icing also the perfect icing for decorating sugar cookies!