Tofu brain is divided into gypsum point and brine point. Most of the gypsum spots sold in Xinji downtown are not as delicious as brine spots. There is a man in the old city who eats tofu brain, but there is no tofu brain. Its founder is Zhang San of Zhangwangsong Village, which has a history of nearly a hundred years. Its preparation method: add the soup stock to the soy sauce of Ma Zhong village in Raoyang county for three years, and cook it in a pot with braised chicken seasoning, fried oil-chicken oil, lard, sesame oil, pepper fried peanut oil and gluten.

Gluten: white flour and wake up for a while, put it in water and knead it with your hands. What is insoluble in water is gluten, and small pieces are fried in oil. The water washed with gluten is used to make bean curd soup.