2. Add oil to the pot, fry the cut tofu until both sides are slightly yellow when the oil is 70% hot, and put it out for later use.
3. Leave the bottom oil in the pot and add the onion slices to saute.
4. Transfer in soy sauce, soy sauce and sugar.
5. Add fried tofu, stir fry, add a little warm water (or broth) and simmer for two minutes, pour in water starch, sesame oil and appropriate amount of salt (because soy sauce and soy sauce are salty, add less salt), and collect juice over medium heat?