Slice the Beef flank steak thinly against the grain into bite-sized pieces.
2
In a bowl, combine the sliced Beef flank steak with Light soy sauce (for marinade), Shaoxing wine (for marinade), Cornstarch (for marinade), Sesame oil (for marinade), and White pepper. Mix well and let marinate for at least 15 minutes.
3
Wash and trim the Scallions. Cut the white and light green parts into 5 cm long segments, and thinly slice the dark green parts for garnish later.