Crush cookies with a rolling pin. Place all except 1 cup of crumbs in the bottom of a 9 X 13 inch pan. Pour margarine over crumbs in the pan. Mix milk and cream cheese. Add pudding and mix well. Pour over crumbs and then top with Cool Whip. Sprinkle with leftover crumbs and chill.
Recipe by Amish 365 at https://www.amish365.com/the-amish-cook-week-of-feb-18-2013-dirt-cake/