1/4 c. peanut butter
1 c. confectioners' sugar
1 baked pie shell
1 pkg. instant vanilla pudding
1 sm. Cool Whip

Combine peanut butter and sugar until mixture resembles coarse crumbs. Put 3/4 in bottom of pie shell. Prepare pudding per package directions and carefully pour over crumbs. Spread whipped topping over pudding. Sprinkle on remaining crumbs. Chill.