Preheat the oven to 425°F (220°C).
Mix together 1 cup all-purpose flour, 1 cup water, 1 teaspoon garlic powder, 1 teaspoon onion powder, 1 teaspoon paprika, 1 teaspoon salt, and 1/2 teaspoon black pepper in a mixing bowl.
Dip each cauliflower floret into the batter, ensuring they are well coated.
Arrange the battered cauliflower florets on a baking sheet lined with parchment paper.
Bake in the preheated oven for 25 minutes or until golden brown and crispy.
Combine in a small bowl 1/2 cup mayonnaise, 2 tablespoons Sriracha, and 1 tablespoon honey until smooth.
Remove the cauliflower from the oven and drizzle with the sauce or serve it on the side for dipping.
Enjoy your Bang Bang Cauliflower hot!