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 also supply steam for milk-based drinks. Most espresso makers come with customizable settings for different sizes of drinks and strengths. They https://coffeeeuk61568.ltfblog.com/29170046/the-history-of-coffee-espresso-machine