Just the word “espresso” itself indicates speed, a special purpose, and made to order. The concept of the espresso is best summarized with the saying “the consumer not the espresso must wait.” If the espresso is left to wait for consumption, the foam dissipates and the art of the espresso is lost in the dry wallsof the cup and the patchy surface of the drink. Additionally, the smoothness of the taste is lost.
Italian Espresso: a small cup of concentrated brew prepared on request by extraction of ground roasted coffee beans with hot water under pressure for a defined short time.
While it might not be entirely necessary to understand the intricate chemical and physical structures of the coffee bean, the basics should be understood in order to adequately appreciate the art form of grinding the coffee bean. Whether it’s being ground mechanically or manually, the ultimate goal is to break the bean into smaller particles to create more surface area to allow a better infusion of flavor into water.
In addition to its dependency on good water and a quality roast, the brew is also largely dependent on a sound grinding process. Within realm of grinding, there are several...