In a bowl add the pudding mix and milk. Whisk for 2 minutes and let stand for 5 minutes. It will thicken up.
Once the pudding is set. Add the condensed milk & sour cream to the pudding mix. Whisk together with a whisk or you can use an electrical hand mixer until it’s smooth with no lumps.
Start to fold in the whipped cream with a baking spatula. Gently do this to ensure maximum fluffiness. Don’t over mix.
Chop up the bananas into about 1/4 inch thick slices.
Add a layer of wafers to the bottom of a 9x9 dish top with bananas then a layer of the pudding. Do this one more time and top with some crushed wafers. Cover and put in the refrigerator overnight. You want it to sit so all the flavors come together and the wafers get nice and soft.
Serve once set and enjoy!
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Notes
This recipe could serve more than five, it just depends on how much your guests eat!