Boiled Chocolate Icing - cooking recipe

Ingredients

2/3 c. cocoa
3 c. sugar
1/8 tsp. salt
1 1/2 c. milk
4 1/2 tsp. butter
1 tsp. vanilla

Preparation

Combine cocoa, sugar and salt.
Add milk and bring to a boil, stirring often.
Cook to 232\u00b0 or until a small amount forms a soft ball in cold water.
Remove from heat and drop in butter.
Cool to lukewarm.
Add vanilla and beat until mixture thickens slightly. Spread on cake.