1 c. butter
1 c. peanut butter
2 c. powdered sugar
2 c. graham cracker crumbs
1 c. chocolate chips
1 tbsp. peanut butter

Over low heat, melt butter and 1 cup peanut butter together in a large saucepan. Stir in the powdered sugar and then stir in the crumbs. Spread this mixture in an ungreased 9 x 13 inch pan.