Decorator'S Frosting

Directions

1. 1
   Sift sugar, cornstarch and salt.
2. 2
   In mixing bowl, cream the shortening.
3. 3
   By hand, slowly add sugar mixture.
4. 4
   Blend to very fine crumbs. Stir in egg white. Do not beat air into mixture.
5. 5
   If too stiff for even piping, add 1/2 teaspoon water.
6. 6
   Store tightly covered.
7. 7
   Makes 2 1/2 cups.