1 1/4 cups sifted powdered sugar
1 tablespoon meringue powder
2 tablespoons warm water
1/4 teaspoon cream of tartar
- Royal icing hardens when it dries and is used for piping decorations on cooled cookies.
- Refrigerate up to 2 weeks. To restore texture, allow icing to reach room temperature, then rebeat.
- Meringue powder can be purchase on-line or where cake decorating supplies are sold.