Step 1

Preheat oven to 350*F

Step 2

Mix Cake mix, eggs, water and oil together.

Step 3

Pour cake batter into a greased 9x13 casserole dish.

Step 4

Bake for 30 - 35 minutes or until a toothpick pressed into center of cake comes out clean.

Step 5

Let cake cool completely.

Step 6

With the end of a wooden spoon or some other long round utensil, poke holes into baked cake, ensuring holes remain open when you pull tool out.

Step 7

Set cake aside.

Step 8

In a large bowl, with a hand mixer, beat cream cheese until smooth.

Step 9

Slowly beat in sweetened condensed milk until entire can has been mixed.

Step 10

Add instant pudding and mix until smooth.

Step 11

Slowly add milk 1/2 cup at a time until all milk has been added.

Step 12

Now add vanilla extract and blend.

Step 13

In a separate bowl, blend half tub of cool whip until smooth. Set other half aside.

Step 14

Add in 1 cup of pudding mixture and mix well.

Step 15

Pour cool whip mixture into pudding mixture and blend - this will help prevent chunks.

Step 16

Pour pudding mixture over cake, ensuring it gets into every hole.

Step 17

Slice up bananas and place on top of pudding layer.

Step 18

Carefully dollop cool whip on top of bananas. Gently spread over bananas, covering entire cake.

Step 19

Top with vanilla wafer cookies.

Step 20

Chill until ready to serve.