1 stick butter
2 c. peanut butter
1 2/3 c. graham cracker crumbs
1 2/3 c. powdered sugar
1 tsp. vanilla
1 (12 oz.) chocolate chips

Melt butter and peanut butter. Add graham cracker crumbs, powdered sugar and vanilla. Make a stiff dough. Work all together and press onto cookie sheet. Melt chocolate chips and spread over top. Chill and cut into squares.