2. Pour the cold oil into the wet noodles in the hot pot, spread evenly, and fry until both sides turn yellow.

3. Then put the pork belly in the pot and fry the oil. Add onion, ginger and garlic and stir-fry until fragrant.

4. Finally, add salt and other seasonings, add bean sprouts and beans, add appropriate amount of water to boil, then pour noodles and stir well.