Step 2
Crush 3 of the cookies; place crumbs in shallow dish. Set aside. Cut cake lengthwise in half. Frost cake top with some of the remaining cream cheese mixture. Dip in cookie crumbs until evenly coated; set aside. Place cake bottom, cut-side up, on serving platter; frost top and sides with some of the remaining cream cheese mixture. Place cake top next to cake bottom to resemble coffin lid. Frost sides and cut-side of cake top with the remaining cream cheese mixture.