Remove the tops of each bell pepper and discard the seeds.
Finely chop the bell pepper tops.
In a bowl, place bell pepper tops, bread loaf, vegetables, garlic, parsley, salt and black pepper and mix well.
Stuff each bell pepper with the vegetable mixture.
Grease the Air Fryer Basket with cooking spray and then slide inside.
Adjust the temperature of Air Fryer to 350 °F to preheat for 5 minutes.
After preheating, arrange the bell peppers into the greased Air Fryer Basket in a single layer.
Slide the basket into Air Fryer and set the time for 25 minutes.
After cooking time is finished, remove the bell peppers from Air Fryer and serve.