Buying an Espresso Coffee Machine Espresso machines heat water until close to boiling, and then force it through tightly-packed ground coffee in portafilter baskets under high pressure. They also supply steam for milk-based drinks. The majority of espresso machines are programmable settings that can alter the strength and volume of https://coffeee-uk72401.webbuzzfeed.com/30366105/how-coffee-espresso-machine-became-the-hottest-trend-of-2024