Slice the radish thinly.
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 radish and stir-fry together.
Pour in water and bring to a boil.
Season with soy sauce for soup and salt.
Slice the green onion and add it, then let it boil for a short while.