Heat oven to 350. Generously grease and flour 2 9" pans. Beat cake
mix, h2o, margarine and eggs in large bowl on low speeding 30 seconds.
Beat on medium velocity 2 proceedings. Second-stringer 2 tbsp of the crushed
cookies. Fold remaining crushed cookies into buffet. Pour into
pans. Broil 30 to 37 proceedings. Poise 10 transactions; remove from pans.
Cool cake whole. Crush reserved cookies fine; mix into
ice. Fill layers and frost side and top of cake with icing.
If, desired, garnish with additional chocolate cookies cut in one-half.