Benefits of an Espresso Machine In an espresso machine, hot water is forced under pressure to a high temperature through finely ground coffee beans. This produces a rich smooth drink that's known as espresso. The first espresso machines were steam-driven. They utilize one boiler to brew multiple drinks at once. https://wwwcoffeeeuk66350.liberty-blog.com/29882636/this-is-the-espresso-machine-case-study-you-ll-never-forget