1 1/2 c. graham cracker or vanilla wafer crumbs
1 box powdered sugar (3 c.)
2 sticks melted butter
1 c. chunky peanut butter

Mix together and press on 15 x 10 inch cookie sheet. Refrigerate for a short time. Melt 12 ounce bag chocolate chips. Spread on above. Refrigerate short time. Watch don't let get too hard. Cut in bite-size pieces.