Boiled Frosting - cooking recipe

Ingredients

1 c. sugar
1/3 c. water
1 Tbsp. light corn syrup
1/8 tsp. salt
2 egg whites
1 tsp. vanilla

Preparation

Combine sugar, water, syrup and salt in saucepan.
Stir.
Boil slowly without stirring until mixture will spin a long thread when a little is dropped from spoon; hold spoon high above saucepan (238\u00b0 to 242\u00b0).
In mixing bowl, beat whites until stiff, about 2 1/2 minutes.
Pour hot syrup slowly over egg whites while beating. Continue beating until mixture is fluffy and will hold its shape. Add vanilla.
Blend.
Spread on cake.