2 c. sugar
1/4 c. light corn syrup
1 tsp. butter
1/2 c. condensed milk
4 tbsp. cocoa
1 tsp. vanilla

Combine all ingredients. Cook very slowly until it comes to a boil, stirring constantly. Boil for 2 minutes and remove from heat. Beat until thick. Pour in buttered pan and cool. Cut in squares. Yield: 1 pound.