Buying an Espresso Coffee Machine Espresso machines heat water to close to boiling, and then force it through tightly-packed ground coffee into portafilter baskets under high pressure. They can also be used to create milk-based drinks. Most espresso makers come with customizable settings for different sizes of drinks and strengths. https://coffeeeuk99686.articlesblogger.com/52919506/the-best-ground-coffee-for-espresso-machine-case-study-you-ll-never-forget