Soak the dried seaweed in cold water for about 10 minutes, then drain.
Cut the beef into bite-sized pieces and season with soy sauce and garlic.
Heat sesame oil in a pot and stir-fry the beef and seaweed together.
Pour in 500ml of water and bring to a boil.
Season with soup soy sauce and salt.
Simmer for another 10 minutes, then turn off the heat.