4 medium slices of tuna fish, you can use fillet fish actually 2 large onion chopped 3 tbsp of tomato paste diluted in 3 tbsp of water 1 tsp red chili flakes 1/2 cup olive oil 1/2 cup water 1 1/2 tsp salt
In a saucepan, heat the oil. Add the onion, chili flakes and salt. Saute until the onion softens. Add the tomato paste diluted in 3 tbsp water Continue cooking until the onion becomes soft, transparent and mushy. ( about 8 minutes) Add 1/2 cup water and let it boil. When it boils, add the fish and cook over medium heat for 15 to 20 minutes. Remove from heat and serve.