Cut tofu, zucchini, potato, onion, and Cheongyang chili peppers into bite-sized pieces.
Pour 400ml of anchovy broth into a pot and bring to a boil.
Strain and dissolve 15g of soybean paste through a sieve into the broth.
Add potato, zucchini, and onion, and simmer over medium heat for 5 minutes.
Add tofu and Cheongyang chili peppers and simmer for 3 more minutes.
Add a small amount of minced garlic to taste.