01 - Set the oven to 425°F and line a large baking sheet with parchment paper.
02 - Whisk together flour, water, garlic powder, onion powder, smoked paprika, salt, and black pepper in a large bowl until smooth.
03 - Add cauliflower florets to the batter and toss until each piece is evenly coated.
04 - Place the battered florets in a single layer on the prepared baking sheet.
05 - Bake for 20 minutes, turning halfway, until lightly golden and beginning to crisp.
06 - Combine hot sauce, melted butter, and honey or maple syrup (if using) in a small bowl.
07 - Remove cauliflower from oven and gently toss with the buffalo sauce until thoroughly coated.
08 - Return florets to baking sheet and bake an additional 10 minutes until crispy and lightly browned.
09 - Serve immediately with ranch or blue cheese dressing and celery sticks on the side.