Cut the pork into bite-sized pieces and prepare the onion, potato, zucchini, tofu, Cheongyang chili pepper, and green onion.
Add the pork to a pot and stir-fry over medium heat, then add doenjang (soybean paste) and stir-fry together.
Pour in water (or kelp broth) and bring to a boil.
Add potatoes and onions and continue boiling.
Add zucchini and tofu, and boil a bit longer.
Finish by adding Cheongyang chili peppers and green onion.