Buying an Espresso Coffee Machine Espresso machines heat water to close to boiling and then force it under a high pressure through tightly packed ground coffee in portafilters. They can also be used to create milk-based drinks. Most espresso makers come with adjustable settings for the size of the drink https://coffeee38978.blogsidea.com/36043088/coffee-espresso-machine-the-secret-life-of-coffee-espresso-machine