Buying an Espresso Coffee Machine Espresso machines heat water to near-boiling and then force it through tightly-packed ground coffee into portafilter baskets under high pressure. They also supply steam for milk-based drinks. The majority of espresso machines are programmable settings to adjust the strength and the size of the beverage. https://www-coffeee-uk23398.fireblogz.com/61162099/10-quick-tips-for-coffee-espresso-machine