1. Wash and shred green onions for later use; Peel potatoes, wash them, cut them into thin filaments with uniform thickness, put them in a big bowl, soak them in water for a while, then take them out and drain.

2. Put the wok on the fire, heat it and inject peanut oil. When the oil temperature is 40%, add shredded potatoes and stir-fry twice, then add vinegar, and then add refined salt, monosodium glutamate, scallion oil, pepper oil and scallion to stir-fry until it is mature.