Buying an Espresso Coffee Machine Espresso machines heat water until 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. Most espresso makers come with adjustable settings for the size of the drink and strengths. https://www-coffeee-uk81117.blog-ezine.com/29926219/how-to-build-a-successful-coffee-espresso-machine-when-you-re-not-business-savvy