Bring the veggie broth to a boil. Add the chopped kimchi, kimchi juice, soy sauce, and salt to taste. Bring the soup back to boil and add frozen udon noodles. (If you want more clear soup, you can cook the noodles in a separated pot of boiling water, but this is my lazy meal, so I like to cook in the soup. If you’re using dried udon noodles, I recommend cooking in a separated pot of boiling water.)

Cook the udon by following the package you’re using. When the noodles are done cooking, mix in sliced yubu. Transfer to a serving bowl and garnish with some green onions. Enjoy!