1 c. semi-sweet chocolate chips
1 c. milk chocolate chips
1 c. peanut butter
1 1/2 c. graham cracker crumbs
1 c. butter, melted
3/4 lb. powdered sugar, sifted

Melt chocolate chips in double boiler. Mix together remainder of ingredients. Press into a 9"x13" pan; spread the melted chocolate on top, then chill. Cut into small squares. These freeze well.