Benefits of an Espresso Machine In an espresso machine, hot water is forced under high pressure through finely ground coffee beans. This produces a rich smooth and smooth drink, commonly known as espresso. The first espresso machines were steam-driven. They use one boiler to make multiple drinks at a time. https://coffeee-uk20974.blog5star.com/30169526/7-small-changes-that-will-make-a-huge-difference-in-your-buy-espresso-machine