In a saucepan add some olive oil, then add chopped onions stir till golden. Then add cubes of green pepper stir with onion till tender and add garlic. Mix all together, add coriander, cumin and chili powder. Finally, end with adding the tomato paste, salt, pepper and tomatoes juice to the ingredients and stir all together.
You can either cut fish fillet to cubes & place your seafood directly in the sauce. Or directly pour the fish sauce on the fish fillet and present it hot with white short grain rice and salad.