2 sm. pkgs. instant vanilla pudding mix
1 (8 oz.) sour cream
1 (8 oz.) Cool Whip
3 c. milk
4 bananas
1 box vanilla wafers

Mix pudding mix and milk; add sour cream and Cool Whip to it. Layer dish with cookies, pudding mix, then bananas. Repeat until you will fill dish. Top with bananas and crumbled cookies or use Cool Whip on top.