Banana Pudding

On vacation, Sophia and G.G. made fabulous banana pudding. Recipe follows below:
Banana Pudding
2 Large boxes of instant vanilla pudding mix
3 cups milk
1 large carton of sour cream
1 med or large cool whip
1 box vanilla wafers
bananas- sliced

Mix pudding and mix with beater until thick. Add sour cream and cool whip. line large dish with vanilla wafers top with sliced bananas, cover with pudding. Continue alternating layers ending with pudding on top. serves a large crowd.