Because it is made of yeast, after yeast is added to the dough, the yeast can absorb the nutrients in the dough, grow and reproduce, and produce carbon dioxide gas, so that the dough forms an expanded, soft and honeycomb structure.

1, bread, also known as bread, is a kind of food made by grinding and heating grain (usually wheat). Baked food is made of wheat flour as the main raw material, yeast, eggs, oil and nuts as the auxiliary materials, mixed with water to make dough, and processed by fermentation, shaping, shaping, baking and cooling.

2, the highest heat in the bag is the loose bag, also known as the "Danish bag." It is characterized by adding 20%~30% butter or shortening, which can form a special layered structure and can be made into croissants, raisins, chocolate cakes and so on.