How to Keep Your Espresso Maker Clean A good espresso machine can let you make drinks with the quality of cafes at home. It's a complicated machine that can be difficult to learn. Espresso machines work by pushing hot water under pressure through a densely packed portafilter of finely-ground coffee. https://coffeee29942.actoblog.com/30414420/best-coffee-espresso-machine-explained-in-fewer-than-140-characters