Spicy Fiji Prawn Curry with Tomatoes - That Fiji Taste

Name: Spicy Fiji Prawn Curry with Tomatoes - That Fiji Taste
Cuisine: Asian, Indian
Ingredients: 1 kg Fresh Prawns (heads removed, de-veined); 1/4 Cup Oil (vegetable/olive/bran); 4–5 Curry Leaves; Chillies to taste; 2 Onions (for thick gravy); 1 Bulb Garlic and 1/2 inch Ginger (crushed into paste); 2 Large Tomatoes (chopped); 1/2 Lemon; 2 Star Anise; 2 Cinnamon Sticks; 1 bunch Coriander; 1/4 tsp Cumin Seeds (Jeera); 3 Dried Chillies; 1/2 tsp Turmeric; 1/4 tsp Fenugreek Seeds (Methi); 2 tbsp Masala; 1/4 tsp Mustard Seeds (Sarso)