3-4 med. bananas, sliced
2 pkgs. lg. vanilla instant pudding mix
4 c. cold milk or whatever on pkg.
1 (8 oz.) Cool Whip
1 box vanilla wafers
2 qt. casserole dish

Mix pudding with milk until blended. Fold in Cool Whip. Layer cookie, sliced bananas, pudding mix; keep layering - end with cookies.