01 - Preheat the air fryer to 400°F and lightly grease the basket with oil spray.
02 - In a large bowl, whisk together the flour, milk, garlic powder, onion powder, smoked paprika, salt, and black pepper until smooth.
03 - Add cauliflower florets to the batter and toss to coat evenly.
04 - Shake off excess batter and arrange florets in a single layer in the air fryer basket; cook in batches if necessary.
05 - Air fry for 12 to 15 minutes, shaking the basket halfway through, until the florets are golden brown and crisp.
06 - While cauliflower cooks, combine hot sauce, melted butter, and honey or agave syrup (if using) in a separate bowl.
07 - Transfer cooked cauliflower to the buffalo sauce and toss until fully coated.
08 - Return coated florets to the air fryer and cook an additional 4 to 5 minutes to set the sauce.
09 - Serve hot with celery sticks, carrot sticks, and optional ranch or blue cheese dressing.