Melt 2 sticks margarine (( do not use butter)). Add Peanut Butter; blend. Melt oleo and peanut butter in microwave or on top of stove. Add powsered sugar and graham cracker crumbs. Mix all well and press into 9 x 13 pan. Melt chocolate chips with generous tablespoon shortening. Sread on top. Let cool and cut into 3 cm squares : pat Food BB/Sc ----