Buying an Espresso Coffee Machine Espresso machines heat water until near-boiling and then force it through tightly-packed ground coffee in portafilter baskets under high pressure. They can also be used to create milk-based drinks. The majority of espresso makers have adjustable settings for the size of the drink and strengths. https://coffeee14613.iyublog.com/29360238/7-tips-about-coffee-espresso-machine-that-nobody-will-share-with-you