Filipino Recipe Sinigang na Isda (Fish in Sour Soup)

2 pounds salmon bone
8 cups water
2 cups diced ripe tomatoes
1 pack of “sinigang” mix
1-1/2 pounds batchoy
1 cup chopped onion
patis (fish sauce),  salt and pepper to taste

How to cook:

In a covered soup pot over medium high heat, bring water, onion and tomato to a boil. Reduce heat to medium, add sinigang mix, fish sauce, a little salt and pepper, and simmer for 8 minutes. Add fish and simmer for another 10-15 minutes until cooked. Turn off heat. Correct sesonings to taste. Add batchoy and cover for 1-2 minutes. Serve hot.