Chocolate-Banana Split Dessert

30 OREO Cookies, finely crushed (about 2-1/2 cups)

6 Tbsp.  butter, melted

1 pkg. (8 oz.) PHILADELPHIA Cream Cheese, softened

1/4 cup  sugar

2 Tbsp. cold milk

1 tub  (8 oz.) COOL WHIP Whipped Topping, thawed, divided

4 bananas, sliced

2 pkg.  (3.9 oz. each) JELL-O Chocolate Instant Pudding

3-1/4 cups cold milk

1/3 cup  maraschino cherries, halved

1/4 cup chopped toasted PLANTERS Walnuts

2 Tbsp.  chocolate syrup

MIX cookie crumbs and butter; press onto bottom of 13x9-inch dish. Refrigerate until ready to use.
BEAT cream cheese, sugar and 2 Tbsp. milk in medium bowl with whisk until well blended. Stir in 1 cup COOL WHIP; spread over crust. Top with bananas.
BEAT pudding mixes and 3-1/4 cups milk with whisk 2 min.; spread over bananas. Let stand 5 min. or until thickened; cover with remaining COOL WHIP. Refrigerate 4 hours.
TOP with cherries, nuts and syrup just before serving.