Soak the dried seaweed in cold water for about 10 minutes.
Cut the soaked seaweed into bite-sized pieces.
Cut the beef 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.
Once ingredients are well stir-fried, pour in water.
Season with soy sauce and salt.
When it starts to boil, skim off any foam and simmer on low heat for another 10–15 minutes.