Wash the rice cakes and dumplings thoroughly.
Pour the broth into a pot and bring it to a boil.
Add the rice cakes and dumplings to the boiling broth.
Boil until the rice cakes and dumplings are cooked through.
Beat the eggs and add them to the soup.
Season with green onions and black pepper.
Serve in a bowl and top with seaweed flakes.