Select preset program of Preheat to preheat the air fryer.
Spread 1 tablespoon peanut butter in the center of each wrapper.
Place banana in the center of the wrapper. Moisten edge of each wrapper with water.
Lift opposite corners of the wrapper and fold each corner towards the center. Roll wrapper tightly around the banana.
Coat each banana roll with olive oil cooking spray.
Place banana rolls in the air fryer.
Set temperature to 400°F/200°C then press Start/Stop and bake for 8 to 10 minutes, until crisp and golden-brown.
Serve banana rolls with chocolate sauce and ice cream.
Tip: Serve with caramel sauce for an extra-decadent dessert!