Combine pudding and pet milk in a large bowl and whisk until creamy.
Add in sour cream, 1/4 the container of cool whip, vanilla extract and sweetened condensed milk.
Mix until well combined.
In an 11x13 oz dish, add a layer of nilla wafers, sliced bananas, and strawberries.
Spread on a large spoonful of the pudding mixture to cover the entire layer.
Repeat the layering process again, ending with the pudding mixture.
Spread on the remaining cool whip.
Arrange wafers in a pattern around the entire dish.
Garnish with remaining crumbs from the bottom of the bag.
Refrigerate for 1-3 hours.
Serve cold
***dip strawberries and bananas in a lemon juice only bath if there will be leftovers for a few days to prevent browning***
***Large portion perfect for a holiday treat ***