1. Biscuit is a kind of food which takes cereal flour (and/or potato flour) as the main raw material, with or without sugar, oil and other raw materials, and is made by kneading (or mixing), molding, baking (or frying), and adding cream, protein, cocoa, chocolate, etc. between products before or after cooking.
Second, the early biscuit industry was the concept of emergency food in long-term navigation or war mentioned above, and began to spread in the form of manual workshop. After the industrial revolution, due to the development of mechanical technology, biscuit making equipment and technology developed rapidly and spread all over the world. Cookies include cookies, cookies, cookies, pizza and so on.
Third, biscuits, English is biscuit, but the biscuits from Guangdong in the market are all called "Kelijia". Some people think that this is a "gimmick" for Cantonese people to do business, but they are wrong. Because in American English, cookies are called Cracker, and the root is crack, just like the sound of biting cookies, which means "brittle crack" Cantonese is transliterated as "Kelijia" in Cantonese. In American English, biscuit means "soft cake for hot food".
4. Truly shaped biscuits can be traced back to Persia in the 7th century, when sugar-making technology was just developed and was widely used because of biscuits. Until the tenth century, with the Muslim conquest of Spain, biscuits spread to Europe, and then spread in various Christian countries.
5. By the 4th century, biscuits had become the favorite snack of all Europeans, and the fragrance of biscuits spread from the royal kitchen to the streets where civilians lived. Modern biscuit industry began in Britain in the19th century because of advanced navigation technology. During the long voyage, bread with high water content (35%-40%) is not suitable as reserve grain, so a kind of bread with low water content-biscuit was invented.