In medium-size bowl, combine confectioners' sugar, egg whites, and cream of tartar. With electric mixer, beat until thick. Cover tightly with a damp towel while using to keep from drying out.
instructions for Royal Frosting. Meringue powder can be purchased wherever cake-decorating supplies are sold or by mail from Wilton Industries, Inc., 2240 W. 75th St., Woodridge, Il. 60517; (708) 963 -7100 ext. 320.
Country Living/December/92 Scanned & fixed by Di Pahl & <gg>