2. Put the bought frozen marine fish in a basin and thaw it naturally (it takes about 2 hours).
3. After thawing, remove fish scales and internal organs, cut off shark fins and fish tails on both sides, and rinse.
4. Sprinkle appropriate amount of salt and spiced powder on the washed fish and marinate for 10 minute.
5. Add a proper amount of cooking oil to the wok, add fish over high heat, fry over medium heat until slightly yellow, and turn over to slightly yellow.
6. Put the chopped onion, ginger and garlic into the pot, add soy sauce, cooking wine and sweet noodle sauce, and then add a small bowl of water.
7. Cook on high fire for 5 minutes, turn over and stew for 5 minutes, and turn off the fire. Serve immediately.