Never Fail Frosting

Directions

1. 1
   Let water reach boiling in bottom of double boiler.
2. 2
   Combine sugar, salt, cream of tartar, eggs, and water in top of double boiler.
3. 3
   Place over boiling water.
4. 4
   Use high speed on mixer and beat until frosting is fluffy and holds its shape (about 7-8 minutes).
5. 5
   Add vanilla and spread on cake.