Pre-heat the air fryer at 400°F for 5 minutes.
Take the white bread and air fry them at 350°F for 5 minutes.
Let the air fried bread cool down and then blitz them into crumbs using a food processor.
Transfer the bread crumbs into a vessel and add the spices and oil. Mix them well.
Take the fish pieces and coat them with the seasoned bread crumbs.
Spray the air fryer basket with oil. (Optional)
Transfer the coated fish to the air fryer basket and cook them at 350°F for 10-12 minutes.
You can flip them once in between and brush some oil so that they are cooked well.
For the mayo dip, whisk all the ingredients together.
Serve crumbed fish hot with mayo dip.