Prepare the required ingredients: sweet potato vermicelli, leek, pork tenderloin, Pixian bean paste, onion, ginger, oil, soy sauce, oyster sauce, salt and sugar.
Step 1: Wash leek and cut into sections, cut bean paste into fine powder, shred ginger and cut onion into fine powder. Wash and shred pork tenderloin, add a little pepper, soy sauce, cooking wine and starch, and marinate for 10 minute.
Step 2: Cook the vermicelli, take it out and put it in cold water to prevent adhesion, put oil in a hot pan, and add pickled shredded pork to stir fry after the oil is hot.
Step 3: Stir-fry the shredded pork until it changes color, add onion and ginger bean paste and stir-fry until the seasoning is fragrant, add sweet potato vermicelli with good moisture control and stir-fry evenly, and then add a proper amount of soy sauce, oyster sauce, a little sugar and salt to taste.
Step 4: stir-fry the leeks evenly, add the chopped leeks and stir-fry quickly until the leeks are cut off.