Wash the bean sprouts and beef thoroughly and prepare them.
Finely chop garlic and green onion.
Heat cooking oil in a pan and stir-fry the green onion and garlic to bring out the aroma.
Add the beef and stir-fry, then add the bean sprouts.
Add soy sauce, chili powder, sugar, and other seasonings, and mix well.
Cover with a lid and cook until the bean sprouts are wilted.
Transfer the finished dish to a bowl and garnish with sesame oil and sesame seeds.