
Cut cauliflower into florets. Wash and drain very well.
Combine olive oil, garlic powder, salt, and pepper in a small bowl. Toss with cauliflower.
Preheat air fryer to 390°F.
Place cauliflower in the air fryer basket and cook 12 minutes.
Sprinkle with parmesan and cook an additional 2-3 minutes or until florets reach desired doneness.