Never Fail Icing

Directions

1. 1
   Put sugar, egg whites, cream of tartar and water in top of double boiler.
2. 2
   Stir well and place over boiling water, being careful that water in lower part does not touch upper pan.
3. 3
   Beat constantly with rotary beater until mixture holds a point, 4 to 5 minutes.
4. 4
   Remove from over the water and add vanilla.