Buying an Espresso Coffee Machine Espresso machines heat water until near boiling and then force it through tightly-packed ground coffee into portafilter baskets under pressure. They can also be used to create milk-based drinks. The majority of espresso makers have adjustable settings for the size of the drink and strengths. https://coffeeeuk71351.look4blog.com/68719293/10-basics-regarding-best-ground-coffee-for-espresso-machine-you-didn-t-learn-in-the-classroom