Add a thin layer of mayo to the outside of both slices of bread.
Then sprinkle with salt and pepper.
Lay one piece of bread, mayo side down, in the air fryer.
Top with a couple slices of cheese.
Then add the other slice of bread with the mayo side facing up.
Air fry at 375°F (190°C) for 4 minutes. Then pause the air fryer and carefully flip the sandwich over. Continue to air fry for an additional 4 minutes.
