| 1 | Finely crush 22 cookies. |
| 2 | Mix 1-?cup crumbs and margarine; set aside remaining crumbs. |
| 3 | Press onto bottom of 9" pie plate. |
| 4 | Stand 14 cookies around edge of plate, pressing lightly into crust. |
| 5 | Scoop chocolate ice cream into balls; arrange in prepared crust. |
| 6 | Coarsely chop remaining 6 cookies; sprinkle over ice cream scoops. |
| 7 | Spread softened vanilla ice cream evenly over cookie layer; freeze 15 minutes. |
| 8 | Top with a layer of reserved cookie crumbs, pressing gently into ice cream. |
| 9 | Freeze several hours or overnight. |
| 10 | To serve, garnish with whipped topping and chocolate sauce |