For best results, use the KitchenAid Artisan Diamond Blender

Thread each prawn (or fish piece) onto a wooden skewer (soak skewers in water for 20 minutes before threading), flattening the prawn out. Smear with a little olive oil, garlic and salt

Place about half of the coriander, parsley and chives into the blender jug. Cover and select speed 2 (Chop). Pulse for 6 seconds. Add the remaining herbs, ginger, peppercorns, citrus peels and 2 tbs each of the lemon and lime juice. Pulse to a lightly chunky sauce

Smear the prawns (or fish) on both sides with some of the sauce. Heat a flat plated grill or BBQ until hot. Drizzle the prawns with a little of the oil. Cook until golden brown and cooked through turning once only

Add the remaining citrus juices and oil to the blender, cover and pulse to a thin consistency

Serve the prawns on a bed of garden greens and drizzle with the sauce