1. Ingredients: 2 tomatoes, 500 grams of herring.

2. Accessories: 1 spoon of salt, 1 spoon of cooking wine, a little pepper, 10 grams of egg white, 2 spoons of corn starch, 2 green onions, 3 slices of ginger, 2 spoons of sugar, 2 spoons of tomato paste.

3. Wash the herring, remove the bones and slice it.

4. Wash the cut slices, add cooking wine, salt, pepper, green onion, ginger, 10 grams of egg white and 2 tablespoons of corn starch, mix well with your hands, and marinate for 10 minutes.

5. Wash the tomatoes and dice them.

6. Heat the oil in a pan, add onion and ginger and fry until fragrant, add fish bones and fry.

7. Add 2 large bowls of hot water.

8. Boil over high heat until the soup turns white (about 5 minutes). Dish out and set aside.

9. Heat the oil in a pan, add onion and ginger and stir-fry until fragrant, then add tomato paste and stir-fry until fragrant.

10. Add tomatoes and stir-fry until tomatoes produce soup.

11. Add the fish soup you just made, 1 spoon of salt, 2 spoons of sugar and a little pepper.

12. Turn on low heat and add fish fillets (fillets should be added one by one).

13. After putting everything in, turn up the heat and cook until the fish fillets are cooked (about 1 minute).

14. Take out of the pan and sprinkle with chopped green onion.