Benefits of an Espresso Machine In an espresso machine hot water is forced through finely ground coffee beans. This produces a rich, smooth drink that's commonly known as espresso. The first espresso machines were steam-driven. These machines use one boiler to make several drinks simultaneously. The water is nearly boiling https://www.coffeee.uk/products/espressoworks-barista-bundle-espresso-maker-with-grinder-cups