Method
Marinating time is a couple of hours; no quantities were stated for the marinade.
- Combine the soy sauce, mirin, white onion, green onion, ginger, garlic, brown sugar, chili flakes, sesame oil, and sesame seeds.
- Warm the mixture for one minute.
- Set the whole tofu block in the marinade and cut it into cubes right in the container, turning the pieces to coat.
- Marinate for a couple of hours.
- Spoon the tofu and marinade over a bowl of white rice and serve.