Soften cream cheese to room temperature before mixing to ensure smooth, lump-free incorporation into the brownie batter and pudding layer.

Spread half the brownie batter first, then add the banana pudding-cream cheese mixture, and top with remaining batter to create distinct layers that don't sink or merge.

Crush and fold vanilla wafers into the pudding mixture just before assembly rather than earlier, so they maintain their structure and don't become soggy.

Use ice-cold heavy cream and chill your mixing bowl for stiff peaks that won't deflate, creating an airy, luxurious texture in your pudding layer.

Remove brownies 2-3 minutes before the toothpick comes out completely clean to preserve a moist, fudgy center that complements the creamy pudding topping.