Textual research on the training class of baking school; A written application stating your basic situation, stating that you meet all the requirements of the grade examination; I hereby apply for the grade examination, and please ask the leader for approval. Baking, also known as baking, refers to the process of dehydration, drying and hardening of materials through dry heat under the ignition point of materials. Baking is an indispensable step in the production of bread and cake. After baking, starch undergoes a series of chemical changes such as gelatinization and protein denaturation, which makes bread and cake mature. It can also change the taste of food.