Buying an Espresso Coffee Machine Espresso machines heat the water to near boiling, and then force it under high pressure through tightly packed ground coffee into portafilters. They also provide steam for milk-based drinks. Most espresso machines have programmable settings that allow you to alter the strength and size of https://coffeeeuk26316.jts-blog.com/29179267/7-easy-tips-for-totally-refreshing-your-best-ground-coffee-for-espresso-machine