1 and tofu (pinyin: Dü UF incarnation) are the most common bean products, also known as water tofu. According to legend, it was invented by Liu An, the king of Huainan in Han Dynasty. The main production process is pulping, that is, soybean is made into soybean milk; The second is solidification, that is, soybean milk solidifies into a gel containing a lot of water under the combined action of heat and coagulant, that is, tofu.

Tofu is the main raw material of vegetarian dishes in China. In the memory of our ancestors, it was initially unpalatable. After continuous transformation, it is gradually welcomed by people and is known as "plant meat". Tofu can be produced all year round, not limited by season, so the variety of dishes can be adjusted in the off-season of vegetable production.

2. Bread is also written as _ Bao, a food made of five kinds of grains (usually wheat) by grinding and heating. Baked food is made of wheat flour as the main raw material, and yeast, eggs, oil, sugar and salt are added. As an auxiliary material, it is mixed with water to make dough, which is cut, shaped, proofed, baked and cooled.

As the name implies, the pie has a sandwich, and the two layers of skin and one layer of stuffing can only be called stuffing zygote. In Tianjin, the box is similar to that of jiaozi in Jixian County, while that of Sanhe in Dachang can only be called Fried jiaozi. There is also a kind of box, and vegetable rolls are also a kind of box, so those with less than four layers of skin can only be called boxes, which are China folk household food. The making methods include frying, baking, etc. The cake is wrapped with stuffing. The stuffing can be various ingredients, such as meat, vegetables, seafood and eggs, and the taste is mainly salty, fragrant and fresh in the north.

Jiaozi is a traditional food in China. Jiaozi originated from the ancient trough. Jiaozi, formerly known as Joule, was invented by Zhang Zhongjing, a doctor in Nanyang, China, with a history of 1800 years. It is a traditional special food deeply loved by the people of China, also known as jiaozi. It is the staple food and local snacks of China people, and it is also the New Year food. There is a folk song called "A slight cold arrives, eat jiaozi in the New Year." Jiaozi often cooks with flour and leather bag stuffing.

5. Bread is one of the traditional staple foods in northern China. It is said that it originated in Linyi, Shandong. Traditional pancakes are made of wheat soaked in water, ground into paste, spread on seeds and branded into circles. In the past, it was mostly made of coarse grains, but now it is made of batter mixed with fine flour and water.