- 4 teaspoons all-natural egg whites (meringue powder, such as Just Whites)
- 1/4 cup warm water
- 3 cups confectioners' sugar, sifted
- Gently stir together egg white powder and water according to directions on the
egg white powder package or until completely dissolved.
- Beat in confectioners' sugar until thick and smooth.
- Use immediately.
Source: Hershey's web site