How Does Machine Espresso Work? The machine espresso is made using precise pressure and filter technology that is awe-inspiring to make the coffee you enjoy. But how exactly does it work? Espresso is made by pushing hot water under high pressure through finely-ground coffee. The process is similar to that https://www.coffeee.uk/products/de-longhi-dedica-style-espresso-machine-coffee-and-cappuccino