Buying an Espresso Coffee Machine Espresso machines heat water to near-boiling and then force it through tightly-packed ground coffee in portafilter baskets under high 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://coffeee33158.blogzag.com/74092070/the-unspoken-secrets-of-coffee-espresso-machine