Buying an Espresso Coffee Machine Espresso machines heat water until near boiling and then force it through tightly-packed ground coffee into portafilter baskets under pressure. They also supply steam for drinks made from milk. The majority of espresso machines can be programmed with settings that can alter the strength and https://coffeee14613.iyublog.com/29323548/who-is-the-world-s-top-expert-on-coffee-espresso-machine