AmeriColor Premium Meringue Poder in a 1 lb. Bag at Gygi.com. AmeriColor meringue powder is uniquely formulated to provide a beautiful topping, as well as a superb buttercream icing or a perfect royal icing. Our premium blend of ingredients affords the decorator excellence as well as economy. For example, if you can't use all the royal icing that you won't make in one day, just cover your bowl with a damp towel, tightly wrap it with plastic wrap, and re-whip it the next. It also makes and excellent boiled icing. It has a pleasant flavor and enticing aroma.