Buying an Espresso Coffee Machine Espresso machines heat the water to a temperature near boiling and then force it under a high pressure through tightly packed ground coffee in portafilters. They can also be used to create milk-based drinks. Most espresso machines have programmable settings to adjust the strength and https://coffeee35685.ampedpages.com/how-to-get-more-benefits-from-your-best-ground-coffee-for-espresso-machine-57097809