Clean and prepare the beef and seaweed.
Cut the soaked seaweed into bite-sized pieces.
Heat sesame oil in a pot and stir-fry the beef.
When the beef is cooked, add the seaweed and stir-fry together.
Pour in water and bring to a boil.
Season with soy sauce for soup and salt.
Finish when the soup is boiling and the seaweed becomes tender.