Mix everything in a pot and bring to boil for 5 mins, on high heat
Marinade sliced firm tofu pieces for at least half H, coating both sides.
Using "lean meat George Foreman" electric griller
Click the highest power number 20, and let it preheat for a bit
Cook tofu pieces for 5-8 mins on each sides, depending how you like it (browner, crispier, etc)