Soak the seaweed in water.
Rinse the soaked seaweed and drain the water.
Cut the beef into bite-sized pieces.
Add sesame oil to a pot and stir-fry the beef.
Add the seaweed and stir-fry together.
Pour in water and bring to a boil.
Season with soup soy sauce and salt.
Simmer on low heat for 10 more minutes.