Buying an Espresso Coffee Machine Espresso machines heat the water to close to boiling, and then force it under pressure to pass through tightly packed ground coffee into portafilters. They can also be used to create milk-based drinks. Most espresso makers come with programmable settings for drink sizes and strengths. https://coffeee-uk59454.dailyblogzz.com/30357927/10-essentials-concerning-best-ground-coffee-for-espresso-machine-you-didn-t-learn-in-school