Buying an Espresso Coffee Machine Espresso machines heat water to close to boiling, and then force it through tightly packed ground coffee into portafilters under pressure. They can also be used to make milk-based drinks. Most espresso machines have programmable settings to adjust the strength and volume of the drink. https://coffeee-uk62642.ourcodeblog.com/29944713/20-things-that-only-the-most-devoted-coffee-espresso-machine-fans-know