Keep a sizzler plate for heating. In a pot, heat olive oil. Add star anise red chillies, black peppercorns, green and black olives, cherry tomatoes, roasted onion and garlic, prawns, white wine, white wine vinegar, sea salt and mix well. Season with fresh herbs: thyme sprigs, basil leaves, and rosemary sprigs. Let the salad cook for 4 to 5 minutes , Switch off the gas below the sizzler plate and place it in a wooden plate. Place two curly lettuce leaves on the plate. Pour the salad on these lettuce leaves for a sizzling effect. Garnish with lemon wedges. Serve hot.