Here's how to do this:

1. Preparation materials: tofu, onion, onion, salt, soy sauce, cooking wine, sugar, chicken essence and water starch.

2. Cut the tofu into pieces, cut the onion and green onion into sections, cut the onion leaves into chopped green onion, fry the tofu in the oil pan until both sides are golden, and then take it out for later use.

3. Leave a little oil in the pot, add onion and green onion to stir fry until fragrant, add cooking wine and soy sauce, then add sugar and chicken essence and cook until the soup is thick.

4. Put the fried tofu into the pot, add a proper amount of starch hook, and cook until the soup is thick.

5. finally sprinkle with chopped green onion.

This dish is very suitable for eating during the period of losing weight, because tofu is rich in high-quality protein and contains almost no fat, which can provide necessary nutrition for human body without causing obesity. In addition, this dish is also rich in plant fiber, which can promote intestinal peristalsis, increase defecation times and relieve constipation symptoms.