Banana Pudding

1 box vanilla wafers
2 boxes instant vanilla pudding (3.4 oz each)
3 1/2 cups milk
12 oz Cool Whip
2 - 3 bananas

Layer wafers in a big bowl.  Mix pudding and milk - add thawed Cool Whip.  When pudding starts to thicken, pour over wafers, then put in bananas.  Slice 1 banana for top when ready to serve.