Cut the tofu into small pieces.
Finely chop the zucchini, onion, and mushrooms.
Add sesame oil to a pot and sauté minced garlic.
Add the chopped vegetables and stir-fry.
Add doenjang (soybean paste) and gochujang (red chili paste) and stir-fry together.
Pour in rice water (or plain water) and bring to a boil.
Add the tofu and simmer again.
Finish by adding green onions.