In a small bowl, mix all the ingredient for stir fry sauce and set aside.
Dry-frying the cauliflower: add a very small amount of oil to a wok and then fry the cauliflower for around 2 minutes until it becomes soft. You need to keep stirring to make sure that the cauliflower is evenly cooked.
Heat oil in a pan and fry ginger, garlic, Sichuan peppercorn, and dried chili pepper until aromatic. With slow fire.
Then place the cauliflower in. Fry for another half minute.
Add large scallions and toasted peanuts. Give everything a big stir fry and then serve immediately.