Heat the vegetable broth in a large pot over medium heat.
Add garlic, soy sauce, sesame oil, kimchi, and kimchi juice. Stir and let simmer for 10 minutes.
Drop in the dumplings and cook until they float, about 6 to 8 minutes.
Add the noodles and cook until tender, around 5 minutes.
Taste and season with salt if needed. Sprinkle gochugaru for extra spice.
Serve hot, topped with sliced green onions.