Oreo Cookie Cake - cooking recipe

Ingredients

2 sticks margarine
1 1/2 lb. bag Oreo cookies, crushed (reserve 1/2 c.)
1 (8 oz.) cream cheese
1 c. powdered sugar, sifted
2 (8 oz.) cartons Cool Whip
2 (3 oz.) boxes instant chocolate pudding
3 c. cold milk

Preparation

1st Layer:
Melt margarine and pour over crushed Oreo cookies (reserve 1/2 cup cookies crushed).
Lightly pat mixture into bottom of oblong pan and refrigerate until firm.