Wash and clean the soybean sprouts thoroughly.
Boil broth using anchovies and kelp.
Add the soybean sprouts to the broth and boil for 5 minutes.
Cut tofu and green onion into bite-sized pieces.
When the soybean sprouts are cooked, add tofu and green onion.
Season with red pepper powder, minced garlic, and soy sauce for soup.
Boil once more, then serve in a bowl.