01 - Preheat oven to 425°F and line a baking sheet with parchment paper; brush lightly with olive oil.
02 - Whisk together flour, water, garlic powder, smoked paprika, salt, and black pepper in a large bowl until smooth.
03 - Toss cauliflower florets in the batter to coat evenly; shake off excess and arrange in a single layer on the prepared baking sheet.
04 - Bake for 20 minutes, turning halfway, until florets are tender and beginning to brown.
05 - Whisk hot sauce, melted butter, and honey until combined in a small bowl.
06 - Remove cauliflower from oven, toss gently with Buffalo sauce, return to baking sheet, and bake an additional 10 minutes to crisp and caramelize.
07 - Combine sour cream, mayonnaise, blue cheese, lemon juice, chives, salt, and pepper in a bowl; stir until smooth.
08 - Present Buffalo cauliflower bites hot alongside blue cheese dip, celery sticks, and optional parsley garnish.