1. Separate the fish bones from the fish meat, cut the fish into fillets, wash, add ingredients and marinate for ten minutes.
2. Put a little oil in the pot, sauté the fish bones until fragrant, add a large bowl of water, and cook a milky white fish soup.
3. Add lemon slices, millet pepper, fish sauce, ginger slices, etc. to the soup and bring to a boil over high heat.
4. After the sour and spicy taste is cooked, add the marinated fish fillets, bring to a boil over high heat, and finally cut the mint leaves into thin strips, sprinkle them into the soup, and turn off the heat.