The preparation is the same as the baked version. The marinade consists of Sriracha (or other hot sauce, whatever amount to your taste), 1 tbs each of soy sauce, dark sesame oil, sake, rice vinegar with grated ginger and garlic. I marinated the cubes of tofu for several hours to several days in the refrigerator. I removed the tofu leaving the marinade in the Ziplock bag. In a non-stick frying pan, I added a small amount of vegetable oil and browned the surface of the tofu cubes turning several times. When the surface was browned, I add all the marinade to the pan and turned up the flame. I shook the pan several times as the marinade reduced until only small amount of liquid remained coating the surface of the tofu.
We found this is a much better way to cook this dish. The browning made a nice crust and the tofu remained moist. The reduced marinade made a nice sauce making the mouth “sing” gently with hot flavor. It reheated well in the microwave. This is a perfect small drinking snack. This will go with either wine or sake.