Wash the soybean sprouts and kimchi thoroughly, then cut them into bite-sized pieces.
Pour water into a pot and make broth using anchovies and kelp.
Once the broth is ready, remove the anchovies and kelp.
Add the soybean sprouts and kimchi to the broth and bring to a boil.
Add chili powder and minced garlic, then simmer a bit more.
Season with soy sauce and salt to taste.
Finish by adding green onion and black pepper.