1. Cut the onion into small cubes, and take the meat from the canned tuna. You want soup.
2. Mix the onion and tuna meat well.
3. Steam the soft tofu in a steamer for 10 minutes.
4. Let the soft tofu cool and slice.
5. Spread the tuna with onions on the tofu and decorate with chopped coriander. Finish with the Japanese-style salad dressing. If you like spicy food, you can add some chili oil in the salad sauce, great~
