Chocolate Peanut Butter Fudge
["2-1/2 c. sugar", "1 c. milk", "1/4 c. cocoa", "1 Tbsp. light corn syrup", "1/2 c. margarine, 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. margarine, stir until well blended.", "Bring to a boil;", "cover and boil 3 minutes.", "Uncover and keep boiling until candy thermometer reaches 234\u00b0.", "Remove from heat, add remaining margarine, nuts, peanut butter and vanilla.", "Cool slightly.", "Beat until smooth. Pour into a greased 9 inch square pan."]
["sugar", "milk", "cocoa", "light corn syrup", "margarine", "pecans", "peanut butter", "vanilla"]