Wash the cabbage and green onion thoroughly, then cut them into bite-sized pieces.
Cut the beef brisket into pieces that are easy to eat.
Boil water in a pot and cook the spicy mixed noodles. Rinse them with cold water and drain well.
Heat some cooking oil in a pan and stir-fry the beef brisket over medium heat.
Add the cabbage and green onion, season with salt and pepper, and stir-fry together.
In a bowl, combine the noodles, stir-fried beef and vegetables, and the spicy noodle sauce. Mix everything well.
Transfer to a serving dish and sprinkle with sesame seeds to finish.