1. Wash the swallowfish first.

2. Cut the fish into small mouths and divide it in half for tasting.

3. Put oil in the pot and fry the fish in the oil.

4. Prepare onion, garlic, ginger, soy sauce, vinegar, cooking wine, sugar, pepper and salt in proportion.

5. Put the prepared seasoning into the pot, and add water to stew for 20 minutes later.

6. When the soup is almost dry, add monosodium glutamate and sugar, stir fry evenly, turn off the fire and serve.