Instructions

  1. In mixing bowl, beat sour cream and milk together until smooth.
  2. Gradually add pudding and beat until thoroughly combined and slightly thickened.
  3. Fold 1 1/2 cups whipped topping into chocolate mixture.
  4. Pour filling into graham shell. Top with remaining whipped topping. If desired, "spike" up the whipped topping with the back of a spoon and sprinkle with chocolate curls.
  5. Chill until firm, about 2 to 3 hours.