Buying an Espresso Coffee Machine Espresso machines heat water until close to boiling, and then force it through tightly-packed ground coffee into portafilters under pressure. They also supply steam for drinks made from milk. Most espresso machines have programmable settings that can alter the strength and volume of the beverage. https://coffeee-uk79188.estate-blog.com/29305668/looking-for-inspiration-try-looking-up-coffee-espresso-machine