If using the tarmarind paste, mix the tarmarind paste into the water first and rub them to mix well then strain with a bigger hole strainer to remove any seed

Heat up cooking oil in a stock pot and add in the garlic, onion, ginger and lemongrass. Simmer for few minutes then add in the tomatoes, salt, sugar, fish stock and stir. Add in the fish and fold few times then add in the water and the dried acid puck. Let them boil until the tomatoes are cooked and turn off the heat. serve with white rice