Benefits of an Espresso Machine In an espresso machine hot water is forced through finely ground coffee beans. This creates a smooth, rich drink known as espresso. The first espresso machines were steam-powered. They use a single boiler to brew several drinks simultaneously. When the water gets to the "grouphead," https://coffeee38766.blogadvize.com/36580181/one-of-the-most-innovative-things-that-are-happening-with-buy-espresso-machine