Benefits of an Espresso Machine In an espresso machine, hot water is forced under high pressure through finely ground coffee beans. This creates a luscious, smooth drink that's commonly known as espresso. The first espresso machines were steam-powered. These machines utilize an individual boiler to brew several drinks at once. https://www-coffeee-uk91567.canariblogs.com/7-simple-tips-to-totally-refreshing-your-espresso-machine-45051093