In medium bowl, combine pudding mix, milk, Kahlua. Sitr with wish until smooth. Fold in 1 cup cool chip into pudding mixture. In another medium bowl, toss the banana slices with remaining 1 tablespoon Kahlua. Arrange over the crust, sprinkle with 1/2 the chopped toffee candy. Spoon pudding mixture over the chopped candy. Cover and chill for 1- 1 1.2 hours, until set. Spoon remaining cool whip over the pur just before serving.