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 also provide steam for milk-based drinks. The majority of espresso machines are programmable settings that allow you to alter the strength and volume https://wwwcoffeeeuk79363.rimmablog.com/29355842/20-things-that-only-the-most-devoted-coffee-espresso-machine-fans-understand