MELT 1 cup Kraft Smooth Peanut Butter and 4 squares chopped Baker's White Chocolate on MEDIUM in microwave for 2 1/2 min. Stir until smooth.

WHISK 1 pkg (4-serving size) Jell-O Vanilla Instant Pudding with 1 1/2 cups milk. Beat in chocolate mixture. Fold in 1 cup thawed Cool Whip Whipped Topping.

PLACE sliced banana on bottom of 9-in. ready-to-use crumb crust and spoon pudding over top. Chill 1 hr. Top as desired.