Buying an Espresso Coffee Machine Espresso machines heat water to near boiling and then force it under a high pressure through tightly packed ground coffee portafilters. They also supply steam for milk-based drinks. The majority of espresso machines can be programmed with settings that allow you to alter the strength https://coffeee00144.pages10.com/10-basics-on-best-ground-coffee-for-espresso-machine-you-didn-t-learn-at-school-65402297