Cut the beef and vegetables into bite-sized pieces.
Stir-fry the beef in a pot, then add the vegetables and continue stir-frying.
Add soy sauce, sugar, minced garlic, pepper, and other seasonings, and stir-fry together.
Pour in water or broth and bring to a boil.
Once the ingredients are cooked, cover with a lid and steam over medium heat for 15 minutes.
Finish by drizzling sesame oil and sprinkling toasted sesame seeds on top.