Buying an Espresso Coffee Machine Espresso machines heat water to close to boiling, and then force it through tightly packed ground coffee in portafilter baskets under pressure. They also provide steam for milk-based drinks. The majority of espresso makers have programmable settings for drink sizes and strengths. They may also https://coffeeeuk33029.bloggosite.com/36353232/the-3-greatest-moments-in-best-ground-coffee-for-espresso-machine-history