My children absolutely love these .

2/3 cup sugar 1/2 cup peanut butter 1/4 cup margarine 2 eggs 2 cups graham crumbs 1 cup semi-sweet chocolate chips 1/4 peanut butter

Combine sugar,1/2 cup peanut butter,margarine,and eggs in small heavy saucepan . Bring to a boil over medium heat,stirring constantly.Remove from heat,stir in crumbs, mixing well.Press into 8" square pan.Chill

Melt chocolate chips and 1/4 cup peanut butter over hot water.Spread over layer in pan.Chill until firm.Cut into bars. 20 bars