6 Tbsp. butter or margarine, divided
38 NILLA Wafers, finely crushed (about 1-1/4 cups)
2 Tbsp. sugar
4 squares BAKER'S Semi-Sweet Chocolate
2 large bananas, sliced
1 pkg. (3.4 oz.) JELL-O Vanilla Flavor Instant Pudding
1-3/4 cups cold milk
1 cup thawed COOL WHIP Whipped Topping
MELT 4 Tbsp. butter; pour into medium bowl. Stir in wafer crumbs and sugar. Reserve 2 Tbsp. for later use; press remaining crumb mixture onto bottom and up side of 9-inch pie plate.
MICROWAVE chocolate and remaining butter in microwaveable bowl on HIGH 1 min. or until butter is melted; stir until chocolate is melted and mixture is well blended. Drizzle over bottom of crust; top with bananas.
BEAT pudding mix and milk with whisk 2 min.; pour over bananas. Refrigerate 4 hours. Top with COOL WHIP and reserved crumb mixture just before serving.