Doenjang stew with oyster mushrooms, onions, and cockles added.
Clean and purge the cockles thoroughly.
Cut zucchini, potato, onion, and tofu into bite-sized pieces.
Pour water into a pot and make broth using anchovies and kelp.
Dissolve doenjang in the broth, then add potatoes, zucchini, and onion.
When the vegetables are half-cooked, add the cockles, tofu, and spicy green chili pepper.
Boil until all the ingredients are cooked through.