Crumble the tofu into small pieces.
Finely chop the onion and green onion.
Heat cooking oil in a pan and sauté the chopped onion and green onion.
Add the crumbled tofu and stir-fry together.
Season with maze sauce (chunjang, soy sauce, sugar, cooking wine, and sesame oil).
Top the rice with the stir-fried tofu maze mixture.
Sprinkle chili powder or pepper on top to taste.