Soak the dried seaweed in cold water for 10 minutes, then drain.
Cut the beef into bite-sized pieces.
Heat sesame oil in a pot and stir-fry the beef and seaweed together for 2-3 minutes.
Pour in 500ml of water and bring to a boil.
Season with soy sauce for soup and minced garlic.
Once it boils, reduce to medium heat and simmer for 10 more minutes.
Adjust the seasoning with salt to taste, if desired.