2. First of all, we clean the perch, especially the black membrane in the belly, scrape it clean, then rinse it clean, then drain the water, stir-fry the onion and ginger and cut it into sections for later use.
3. Heat oil in the pan, add perch and fry until golden brown, then cook wine, add onion and ginger, and then pour cold water to boil.
4, after boiling, turn to medium heat, stew until the fish soup turns white, then add salt and white sugar to taste, white sugar can be fresh, then turn off the fire and sprinkle some chopped green onion.