Tuna Patichathu

Heat oil and add 1 tsp mustard. Add 1 sliced onion , 1 green chillies, chopped ginger and garlic and sauté well. Mix in 1 tsp saunf powered,salt, 1/2 tsp garam masala, 1 tsp red chilli powder, 1 tsp pepper powder and 1 tsp turmeric powder. Add 1 chopped tomato, and roast well. Finally add tuna and stir well until cooked. Garnish with curry leaves. Serve hot.