Trim cauliflower and cut into 2-3 inch chunks. Add to a large bowl.
Whisk together the seasonings though the black pepper, set aside.
In a large bowl, toss together the cauliflower, olive oil and seasoning mix until well combined.
Preheat air fryer for 4 minutes at 400°(F).
Place seasoned cauliflower into air fryer basket or on tray in a single layer and air fry at 400°(F) for 8 minutes, stir or shake the basket then cook for an additional 10 minutes at 400˚F or until fork tender.