This recipe is from the Weight Watchers Cookbook, Just Like Home. It's a no-cook version of the classic dessert.
1 3.4 oz French Vanilla Instant Pudding - NOT the fat free version
2 cups cold milk
1/3 cup peanut butter
8 oz low fat or fat free sour cream
1 8 oz cool whip (fat free or low fat version)
Prepare pudding mix as stated on the box with 2 cups of milk. Add peanut butter and sour cream. Mix well with a wisk. Layer bottom of a 9 x 13 casserole dish with vanilla wafers. Add 1/3 of puding mixture/cut bananas and whipped topping. Continue layers one more time. Add another layer of vanilla wafers on the top and garnish with bananas.