Beat peanut butter and powdered sugar together until crumbly and not too sticky. Spread into bottom of crust, reserving 1/4 cup for topping. Beat together pudding mix, vanilla, and milk until thickened, about 3 minutes. Pour over peanut butter layer in crust. Spread top of pie with Cool Whip, and sprinkle with reserved peanut butter mixture and crushed peanuts. Chill several hours before serving.
Cajun Country -- New Iberia, Louisiana