2 c. sugar
1/3 c. cocoa
1/4 tsp. salt
2/3 c. milk
2 tbsp. light corn syrup

Combine in pot. Stir over medium heat. Cook to 235°F, stirring occasionally. Remove from heat. Add 2 Tbsp. butter. Cool to lukewarm without stirring. Add 1 tsp. vanilla. Beat until thick and no longer glossy. Pour into 8 x 8 inch square pan.