2-1/2 c. sugar
1 c. milk
1/4 c. cocoa
1 tbsp. light corn syrup
1/2 c. butter, divided
2 c. chopped pecans
1/2 c. peanut butter
2 tsp. vanilla

Combine sugar, milk, cocoa, and syrup in a heavy sauce pan. Cook, stirring constantly until sugar dissolves. Add 2 Tbsp. butter, stir until well blended. Bring to a boil; cover and boil 3 minutes. Uncover and keep boiling until candy thermometer reaches 234°F. Remove from heat, add remaining butter, nuts, peanut butter and vanilla. Cool slightly. Beat until smooth. Pour into a greased 9 inch square pan.