Coffee and Espresso Machines Espresso machines utilize pressure to press water into finely crushed and tamped beans. They create a rich and delicious brew. Experts at the Good Housekeeping Institute recommend models that brew at a minimum pressure of 9 bars in order to get the most efficient extraction. Beware https://coffeee33158.blogzag.com/74065735/a-step-by-step-guide-for-choosing-the-right-coffee-machines-espresso