Cut vegetables such as onion, zucchini, potato, and tofu into bite-sized pieces.
Add cooking oil to a pot and sauté garlic.
Add the vegetables and stir-fry lightly.
Pour in 400ml of water and bring to a boil.
Mix in 2 tablespoons of doenjang (soybean paste).
Add tofu and boil for a little longer.
Finish by adding green onion.