How to Make It
Spread softened ice cream evenly inside piecrust; freeze 1 hour.
Whisk together half-and-half and pudding mix in a medium bowl until blended and thickened, about 2 minutes. Spoon mixture evenly over frozen ice cream in piecrust. Freeze 1 hour. Meanwhile, crush 5 of the cookies.
Place whipped topping in a bowl; fold in crushed cookies. Spread mixture evenly over frozen chocolate layer in piecrust. Freeze 30 minutes. Meanwhile, crush remaining 5 cookies.
Sprinkle pie with remaining crushed cookies; slice and serve.