1, sour milk tofu, is the production of tofu in the process of pressure out of the slurry in a special tank, by its own lactobacilli fermentation and become acidic that is "sour milk", and then use the sour milk as a "lead" against the point of the system of water! The principle is similar to that of using "lactic acid bacteria". The principle is similar to that of using "fertilizer" to steam buns.

2, brine tofu: soybean milk boiled and added salt brine, so that the coagulation into blocks, press part of the water and become.

Supplement:

Sour pulp, also known as red mushroom, hanging golden lantern, goliath, lantern grass, lantern fruit, Luo Shen Zhu, bubble grass, ghost lamp, etc., Latin name: Physalis alkekengi. the north is called the mushroom wilt, girl, to the fruit for food.

Native to China, there are wild resources distributed in the north and south. It has a long history of cultivation in China. In 300 B.C., there was a record of sour pulp in "Er Ya". Now in the northeastern region more widely planted. Other areas are less planted, is still a rare vegetable.