Bread, also called bread, is a kind of food made by grinding grain (usually wheat) and heating it. 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.

The so-called bread is a food made of rye, wheat and other grains as basic raw materials, which are first ground into powder, then mixed with water, salt and yeast to make dough blank, and then heated by baking, baking, steaming and frying.

Usually, when we talk about bread, most of us think of European and American bread or stuffed Japanese bread and sweet bread. In fact, there are many special kinds of bread in the world. In addition to rye flour and wheat flour, buckwheat flour, brown rice flour and corn flour are widely used to make bread in the world. Some breads are fermented by yeast and become more fluffy and soft during baking; On the contrary, there are many breads that do not need to be fermented. Although the raw materials and manufacturing techniques are different, they are all called bread.