"Lahai Tofu" is a folk specialty of Yixian County. On the eve of the Spring Festival, around the eighth day of the twelfth month of the lunar calendar, every household in Yixian County will make tofu, and the locals will call this tofu dried before the New Year "Lahai Tofu".

The specific production process is as follows: make tofu from top quality soybeans, rub the tofu with salt water, and slowly bake it under the mild sun. "The tofu is usually hung on a straw rope in a ventilated place to dry, and picked when eating, and can generally be left to dry for three months without deterioration or change in flavor.

The finished product is yellow and moist like jade, soft in the mouth, salty and sweet, fragrant and fresh. If you add shrimp and other accessories in the sun, it is more delicious. It can be a separate dish, but also with meat, or fried or stewed, are delicious. When entertaining VIPs, Yixian people will also be carved into animals, flowers, dripping sesame oil, mixed with green onions, ginger, garlic and other condiments, with a cold dish, become a banquet delicacy.