Cut the Spam into cubes.
Finely chop the onion, zucchini, and Cheongyang chili pepper.
Add the Spam to a pan and fry until golden brown over medium heat.
Add the onion and zucchini and sauté together.
Add doenjang (soybean paste), gochujang (Korean chili paste), and minced garlic, and stir-fry.
Pour in water or rice water and bring to a boil.
Add Cheongyang chili pepper and tofu, and simmer for another 5 minutes.
Finish by adding green onions and bring to a final boil.