Cut cabbage and beef into bite-sized pieces.
Slice onion and green onion thinly.
Heat cooking oil in a pan and stir-fry the green onion to bring out its aroma.
Add the beef and stir-fry until it changes color, then add the onion and cabbage and continue to cook.
Season with soy sauce, sugar, cooking wine, and pepper.
When all ingredients are cooked, serve on top of rice to finish.