2 sticks butter
1 c. peanut butter
1 3/4 c. graham cracker crumbs
2 1/4 c. powdered sugar
12 oz. pkg. chocolate chips

Melt butter. Add peanut butter and graham cracker crumbs. Slowly add powdered sugar while mixing. Press into 13 x 9 inch pan. Melt chocolate chips and pour on top.