How to Keep Your Espresso Maker Clean A good espresso machine can let you make drinks that are cafe-quality at home. It's a sophisticated and precise machine which can be difficult to master. Espresso machines work by pushing hot water under pressure through a tightly packed portafilter of finely-ground coffee. https://www-coffeee-uk62261.howeweb.com/30410219/15-terms-everyone-is-in-the-best-coffee-espresso-machine-industry-should-know