Cut the cabbage into bite-sized pieces.
Slice the green onion thinly.
Add cooking oil to a pan and sauté the green onion to infuse flavor.
Add the beef brisket slices and stir-fry.
When the meat is about halfway cooked, add the cabbage and stir-fry together.
Season with salt and pepper to taste.
Once all the ingredients are cooked through, transfer to a plate and serve.