Mash the banana in a medium-sized bowl until smooth
Add the egg and mix until well combined
Add the sugar, flour, baking soda, and oil, and mix until just combined
Add the chocolate chips, as much as you desire, and fold
Prepare a ramekin, mug, or small loaf pan
Pour the batter into the mold
Preheat the air fryer to 160C, or oven to 170C
Air fry the banana bread for 15 minutes, then cover with aluminum foil and air fry for another 15 minutes, or until a toothpick inserted in the center comes out clean
Remove from the air fryer, cool for 5 minutes, and enjoy!
