1 lb. confectioners' sugar
1/4 lb. butter
2 oz. Baker's unsweetened chocolate
3 tbsp. milk
1 tsp. vanilla
1 c. (or a little more) smooth peanut butter

Melt butter and chocolate over low heat. Pour over sugar. Add milk and vanilla. Stir until mixed well. Add peanut butter. Knead with hands until thoroughly mixed. Put in pan. Chill several hours.