Cut zucchini, onion, green onion, and Cheongyang chili into bite-sized pieces.
Cut pork into bite-sized pieces.
Heat cooking oil in a pan and stir-fry the pork.
When the pork is partially cooked, add onion and green onion and stir-fry.
Add zucchini and chili peppers and stir-fry together.
Season with gochujang, gochugaru, soy sauce, minced garlic, and black pepper.
Pour in water or broth and bring to a boil.
Once all the ingredients are cooked, turn off the heat and serve in a bowl.