How Does Machine Espresso Work? Machine espresso makes use of precise pressure and amazing filter technology to make the perfect cup of coffee. But how exactly does it work? Espresso is made by forcing hot water under high pressure through finely ground coffee. The process is similar to making drip https://coffeee11375.kylieblog.com/30264722/a-look-at-the-good-and-bad-about-espresso-coffee-machine