Preheat the air fryer to 200˚C.
In a shallow bowl, season flour with salt and pepper. In another shallow bowl, combine breadcrumbs and coconut. Place eggs in a third bowl.
Working with one hand, dip prawns in flour, then eggs, then coconut mixture.
Place prawns in the basket of the air fryer. Cook for 8-12 minutes, until the prawns are golden and cooked through. Work in batches if necessary.
In the meantime, in a small bowl, combine mayonnaise, Sriracha, and chilli sauce.
Serve the coconut crispy prawns with the dipping sauce and crispy cauliflowers florets.