4 squares BAKER'S Semi-Sweet Baking Chocolate
1/4 cup (1/2 stick) butter, cut up
1 pkg. (8 oz.) PHILADELPHIA Cream Cheese, softened
1/2 cup sugar
2 cups thawed COOL WHIP Whipped Topping
12 OREO Chocolate Sandwich Cookies, coarsely crushed
PREHEAT oven to 350°F. Prepare and bake cake mix in two (9-inch) round cake pans as directed on package. Cool in pans 5 min. Invert onto wire racks; remove pans. Cool layers completely.
PLACE chocolate and butter in small microwaveable bowl. Microwave on HIGH 2 min. or until butter is melted. Stir until chocolate is completely melted. Cool 5 min.
BEAT cream cheese and sugar in large bowl with electric mixer on medium speed until well blended. Add the whipped topping and cookie crumbs; mix lightly. Place 1 of the cake layers, top-side down, on serving plate; spread with the cream cheese mixture. Cover with the remaining cake layer, top-side up. Spoon glaze over top of cake. Let stand until set. Store in refrigerator.