2. Scales and viscera of the perch are removed, and straight knives are drawn on both sides of the perch with a spacing of1cm; Shred mushrooms and mustard tuber, cut coriander into sections, and chop onion, ginger and garlic.
3. Add oil to the wok and heat it to 80%. Add bass and fry until brown. Take out the meat when it is cooked.
4. Leave a little oil in the pot, add Pixian bean paste, dried chili shreds, shredded pork, mushrooms, pickled mustard tuber, onion, ginger and minced garlic, stir-fry until red oil is produced, cook wine, add soup stock, sugar, salt, vinegar, soy sauce and fried perch, and cook until the soup is dry (about 10 minute)