White Mountain Frosting - cooking recipe

Ingredients

3/4 c. boiling water
1 1/2 c. sugar
1/2 tsp. vinegar
3 egg whites
15 large marshmallows, quartered

Preparation

Combine water, sugar and vinegar in a medium saucepan.
Cook over low heat, stirring constantly until mixture comes to a boil. Cover.
Cook 2 minutes.
Uncover and cook mixture to soft ball stage.