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