Clean the blue crab and vegetables thoroughly.
Pour water into a pot and make broth using kelp and anchovies.
Dissolve soybean paste and gochujang into the broth.
Add the cleaned blue crab, potato, onion, zucchini, and tofu.
Add garlic, spicy green chili pepper, and green onion.
Once the ingredients are cooked, adjust the seasoning and turn off the heat.