Make the banana blondie batter by mixing the ingredients together until just combined.
Spread half of the batter into a 8x8 baking pan with a spatula to evenly to fill the pan.
Add the mini vanilla wafers on top of the batter.
Then alternate drops of the other half of the batter and vanilla pudding by the spoonful.
Add more mini vanilla wafers on top then bake at 350 degrees F for 30 minutes.