1. Remove scales, gills and internal organs of yellow croaker, rinse with clear water, and dry the fish inside and outside with kitchen paper towels to avoid splashing oil when frying;

2. Take the tofu out of the box and cut it into small pieces, and soak it in boiling water for later use;

3. Heat the frying pan with a big fire, add oil, and when it is 50% hot, gently slide the yellow croaker into the pan with the fish tail in your hand and fry it;

4. After one side of the yellow croaker is fried, carefully turn the fish over with a spatula, and the other side to both sides are golden yellow;

5. Leave the bottom oil in the pot and stir-fry the shredded ginger and onion;

6. Put the fried fish in, cook the cooking wine to remove the fishy smell, add salt, soy sauce, white sugar and a little vinegar, add water to the fish, and bring it to a boil;

7. Add tofu, cover the pot and simmer on low heat. After about 10 minutes, uncover the lid, pour in water starch, and turn to high fire to collect the soup until it is thick.