Slice the beef thinly.
Soak the rice cake slices in water.
Prepare the dumplings.
Pour water into a pot and bring to a boil.
When the water boils, add the beef and cook it.
Add the rice cake slices and dumplings and boil together.
Season with soy sauce for soup and salt to taste.
Beat the egg and stir it in.
Finish with chopped green onion and black pepper.