Chocolate Icing - cooking recipe

Ingredients

2 c. white sugar
1/2 c. cold water
1 stick margarine
2 egg whites, beaten stiff
1 tsp. vanilla
1 Tbsp. white Karo
3 sq. melted chocolate

Preparation

Beat egg whites until stiff but not dry.
Cook sugar, Karo and water with margarine until it forms a soft ball when dropped in cold water.
Pour slowly over beaten egg whites.
Add melted chocolate and vanilla.
Beat until thick enough to spread.