Freeze and thaw tofu, press. Cut pressed tofu into slices, then squares. Each piece should be about 1/4 thick by 1 square. Heat olive and sesame oils in skillet, medium heat, add tofu and brown on both sides. Remove tofu to plate. In same oil, fry garlic and ginger about half a minute on medium heat. Add greens and tamari, fry about 5 minutes or to desired doneness. Add tofu back to pan and heat up, drizzle with more sesame oil if you like.