2. Practice: Wash the beef and cut it into thin slices. Marinate it with proper amount of salt, soy sauce, soy sauce, oyster sauce and peanut oil for a few minutes. Wash and slice the green pepper; Small peppers are cut into small circles; Wash only the scallion and cut it into 3 cm long; Flatten a clove of garlic; Peel and slice ginger for later use.

3. In a large wok, pour in a proper amount of oil, add pepper, garlic slices and ginger slices until 70% hot and stir-fry, pour in pickled pepper and continue to add a little oil, stir-fry the green pepper for a few times until it is slightly soft, pour in beef and onion and continue to stir-fry quickly for about 1 minute, add salt to taste, and finally thicken with raw flour.