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 also provide steam for drinks made from milk. The majority of espresso machines can be programmed with settings that allow you to alter the https://coffeee89287.blogdal.com/30241931/the-secret-secrets-of-coffee-espresso-machine