Cut the beef brisket into bite-sized pieces.
Rinse the bean sprouts thoroughly and remove excess water.
Heat cooking oil in a pan and stir-fry the beef brisket.
When the beef is halfway cooked, add the bean sprouts on top.
Season with salt, pepper, and minced garlic, then stir-fry quickly over high heat.
Finish by drizzling sesame oil and sprinkling chopped green onions.