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 high pressure. They also supply steam for milk-based drinks. Most espresso makers include customizable settings for different sizes of drinks and strengths. They may also https://coffeeeuk16314.isblog.net/15-up-and-coming-best-ground-coffee-for-espresso-machine-bloggers-you-need-to-check-out-47075413