Cut tofu, zucchini, onion, green onion, shiitake mushrooms, and Cheongyang chili peppers into bite-sized pieces.
Heat sesame oil in a pot and stir-fry minced garlic and pork.
Once the meat is cooked, add doenjang (soybean paste) and gochujang (red chili paste), then stir-fry further.
Add the prepared vegetables and stir-fry, then pour in water.
Add potatoes and tofu, and bring to a boil.
Add Cheongyang chili peppers and green onion, and let it simmer for a while longer.