Cut pork and vegetables (onion, potato, zucchini, tofu, green onion) into bite-sized pieces.
Add cooking oil to a pot and stir-fry the pork.
When the pork is partially cooked, add onion, potato, and zucchini, then stir-fry together.
Add gochujang and red pepper powder, and stir-fry evenly.
Pour in water and bring to a boil.
When the broth starts boiling, add tofu and green onion.
Season with salt, soy sauce, etc. to taste.
Once all ingredients are cooked, turn off the heat and serve in a bowl.