Toss the bananas and lemon juice together. This prevents the bananas from discoloring. Place in a covered bowl and keep in the fridge.
In the mixer using the whisk attachment, whip the cream until doubled in volume. Transfer to covered bowl and keep in the fridge.
Using the paddle attachment this time, mix the cream cheese and powdered sugar until fluffy.
Add the whipped cream, a third at a time, and fold into the cream cheese.
Divide the bananas between two plates. Top with the whipped cream. Sprinkle shaved chocolate on top.