Marinate fish fillet with little salt,lemon juice and 1 tbsp oil and set aside.Make a paste of coriander,mint,garlic,green chillies and add turmeric and red chilli powder.Steam potatoes or parboil them.Smear the ground paste in fish and potatoes and sprinkle sesame seeds.
Heat butter in a nonstick pan and roast potatoes turning and tossing till crisp and golden.Sprinkle salt and pepper to taste.Drizzle oil in a baking tray and line the marinated fish on a baking tray and grill for 15-20 minutes in a preheated oven(160°C) turning once in between. Grill again for 5 minutes till crisp outside and tender inside.Serve with lemon wedges and mint leaves.
