Cut pork, tofu, and vegetables into bite-sized pieces.
Add sesame oil to a pot and stir-fry the pork.
When the meat is cooked, add gochujang and chili powder, and stir-fry.
Pour in water, add potatoes, onions, zucchini, and mushrooms, and bring to a boil.
Add tofu, green onion, and garlic, then simmer a bit more.
Taste and adjust seasoning with salt or soy sauce.