1 c. peanut butter
1 stick butter
1 c. powdered sugar
1 c. graham cracker crumbs
6 oz. chocolate chips

Melt peanut butter and stick of butter in medium saucepan. Add chocolate chips. Blend just until chocolate chips begin to melt. Stir in powdered sugar and graham cracker crumbs. Pour into 9 x 5 inch pan. Cool in refrigerator. Cut into 1 inch squares.