3/4 c. butter
3 c. sugar
5 fl. oz. can evaporated milk
12 oz. pkg. semi-sweet chocolate pieces
7 oz. jar Kraft marshmallow creme
1 c. chopped nuts
1 tsp. vanilla

Combine sugar, butter and milk in a heavy saucepan. Bring to full boil; stir constantly. Continue about 5 minutes over medium heat or until candy thermometer reaches 234 degrees; stir constantly. Remove from heat; stir in chocolate pieces until melted. Add remaining ingredients. Mix until well blended. Cool. Place in 9x13-inch greased pan.