01 - Preheat air fryer to 400°F for 5 minutes.
02 - In a large bowl, whisk together flour, water, garlic powder, onion powder, smoked paprika, salt, and pepper until smooth batter forms.
03 - Add cauliflower florets to batter, tossing until evenly coated.
04 - Shake off excess batter and arrange florets in single layer in air fryer basket. Work in batches if necessary to avoid overcrowding.
05 - Air fry for 12 to 15 minutes, shaking basket halfway through, until golden and crisp.
06 - Meanwhile, in small bowl, mix hot sauce, melted butter, and honey or maple syrup if using.
07 - Transfer cooked cauliflower to clean bowl, drizzle with buffalo sauce, and toss to coat evenly.
08 - Return sauced cauliflower to air fryer for another 3 to 5 minutes to set sauce and crisp further.
09 - Serve immediately with celery sticks and blue cheese or ranch dressing if desired.