1Make Tartare Sauce: Combine all ingredients in a small bowl and set aside.
2Place flour, chilli powder, salt and freshly ground black pepper in a medium bowl. Place egg and panko in two separate medium bowls.
3Working in batches, toss prawns in flour and shake off any excess. Dip the prawns in egg and let the excess drain off, then coat in panko, ensuring all sides are well coated. Place in a single layer on a tray, cover with plastic wrap and refrigerate until needed.
4Press Air Fry and set 230°C, for 7 minutes. Place Combi Crisp pan on turntable in high position and press Start to preheat pan. Place prawns in preheated pan, spray with cooking spray and press Start to begin cooking. Do not turn prawns during cooking.