Wash the napa cabbage and green onion, then slice them thinly.
Boil the broth in a pot using kelp and anchovies.
Add napa cabbage, green onion, and minced garlic to the broth.
Once the soup boils, add the dumplings and cook.
Season with soy sauce for soup and salt to taste.
Serve in a bowl and sprinkle with pepper to finish.