1/2 c. creamy peanut butter
4 oz. cream cheese, softened
1 c. powdered sugar
1 lg. carton Cool Whip
1 (9 inch) chocolate crumb pie shell

With mixer, cream together peanut butter, cream cheese and powdered sugar until smooth. Add Cool Whip and blend until smooth. Pour into pie shell. Refrigerate at least 3 hours or overnight. Serve drizzled with chocolate syrup, if desired.