1. Wash cauliflower, break it, wash ginger and garlic, and mash it.

2. Boil a pot of boiling water, blanch cauliflower for 2 minutes, remove and soak in cold boiling water, and drain.

3. Put it in a big bowl. Mix ginger, garlic, sugar, vinegar, soy sauce, Chili oil, pepper powder and chicken essence, let stand for one hour, and sprinkle with sesame oil and chopped green onion.