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 also supply steam for milk-based drinks. Most espresso machines have programmable settings that can alter the strength and size of the https://coffeeeuk05348.csublogs.com/36130659/this-is-the-intermediate-guide-on-best-ground-coffee-for-espresso-machine