How Does Machine Espresso Work? Machine espresso uses precision pressure and amazing filter technology to make the delicious coffee we enjoy. How exactly does it work? Espresso is produced by pushing hot water under high pressure through finely-ground coffee. The process is similar to that of making drip coffee. However, https://coffeee32356.tinyblogging.com/are-you-getting-the-most-of-your-best-home-espresso-machine-73496590