- 4 cups water, or as needed
- 1/2 pound beef sirloin steak, thinly sliced
- 1/2 onion, chopped (optional)
- 5 cloves garlic, minced (optional)
- 4 cups thinly sliced garae tteok (Korean glutinous rice cakes)
- 2 tablespoons soy sauce
- salt and ground black pepper to taste
- 2 eggs, beaten
- 2 green onions, thinly sliced
- Combine water and beef strips in a stockpot; bring to a boil. Reduce to medium-high heat and simmer, skimming off any foam from the top. Add onion and garlic; simmer stock until flavors combine, 15 to 20 minutes.
- Rinse rice cake slices in cold water and drain well. Stir rice cakes and soy sauce into the stock; bring to a gentle boil until rice cake slices start to float, 8 to 10 minutes. Season with salt and pepper. Stir eggs and green onions into the stock. Ladle into bowls.