Cut cauliflower apart into bite sized pieces.
Mix together dry ingredients in large bowl. (flour, garlic powder, black pepper, salt, cayenne pepper)
Add water to dry ingredients and mix into a paste.
Add cauliflower to mixture and toss to coat evenly.
Preheat air fryer to 375° for 2 minutes.
Working in batches (probably 2-3 batches depending on the size of your cauliflower) add cauliflower to air fryer and cook for 10 minutes, shaking halfway through.
Mix melted butter and red hot in separate bowl.
After 10 minutes, mix part of the mixture of red hot with your first batch of cauliflower.
Put cauliflower back in air fryer for 5 more minutes.