Cut the beef chuck into bite-sized pieces.
Thinly slice green onions and garlic.
Pour water into a pot and bring to a boil.
When the water boils, add the beef chuck, green onions, garlic, and ginger. Simmer over medium-low heat for 1 hour.
When the meat is cooked, take it out and shred it along the grain.
Strain the broth to make a clear soup.
Season with salt and pepper to taste.
Boil the somyeon noodles, rinse in cold water.
Place the noodles in a bowl and top with the shredded beef.
Pour in the hot broth and serve.