Buying an Espresso Coffee Machine Espresso machines heat water to a temperature near boiling and then force it under high pressure through tightly packed ground coffee in portafilters. They also provide steam for milk-based drinks. Most espresso machines have programmable settings to adjust the strength and the size of the https://coffeee32356.tinyblogging.com/10-quick-tips-for-coffee-espresso-machine-73553884