Coffee and Espresso Machines Espresso machines use pressure to force water into finely ground and tamped beans. They produce a rich and delicious cup of coffee. Good Housekeeping Institute experts recommend models that are brewed at a minimum of 9 bars for a perfect extraction. Beware of brands who claim https://coffeee-uk50702.full-design.com/from-around-the-web-twenty-amazing-infographics-about-espresso-machine-72439395