Benefits of an Espresso Machine In an espresso machine hot water is forced under high pressure through finely ground coffee beans. This creates a smooth, rich drink referred to as espresso. The first espresso machines were steam-driven. These machines utilize an individual boiler to brew multiple drinks at a time. https://www-coffeee-uk33079.dreamyblogs.com/30130081/from-all-over-the-web-here-are-20-amazing-infographics-about-espresso-machine