Buying an Espresso Coffee Machine Espresso machines heat water to close to boiling and then force it under pressure to pass through tightly packed ground coffee in portafilters. They also supply steam for milk-based drinks. Most espresso makers come with adjustable settings for the size of the drink and strengths. https://www-coffeee-uk46497.post-blogs.com/51317098/12-facts-about-best-ground-coffee-for-espresso-machine-to-make-you-seek-out-other-people