Seven Minute Icing - cooking recipe

Ingredients

2 unbeaten egg whites
1 1/2 C sugar
2 tsp light corn syrup
1/3 C cold water
dash salt
1 tsp vanilla

Preparation

Beat egg whites, sugar, corn syrup, water and salt in top of double boiler for 1 min. Place mixture over, but not touching, boiling water. Beat constantly while cooking until soft peaks form (about 7 min). Use a timer. DO NOT OVERCOOK.
Remove from heat and stir in vanilla. Beat until blended (about 2 min)