Buying an Espresso Coffee Machine Espresso machines heat the water to near boiling. They then push it under a high pressure through tightly packed ground coffee portafilters. They can also be used to create milk-based drinks. The majority of espresso makers have adjustable settings for the size of the drink https://coffeeeuk14716.blogscribble.com/29903485/the-ultimate-glossary-on-terms-about-best-ground-coffee-for-espresso-machine