Clean the beef shank thoroughly and cut it into bite-sized pieces.
Add the beef shank and water to a pot, bring to a boil, and remove any blood.
Heat cooking oil in a pan and sauté minced garlic and onion.
Add the prepared beef shank and stir-fry over high heat.
Add soy sauce, sugar, cooking wine, pepper, and other seasonings; mix well.
Add vegetables such as carrot and green onion, then simmer over medium heat.
When the sauce is reduced and thick, drizzle with sesame oil to finish.