Coffee and Espresso Machines Espresso machines use pressure to force water through finely ground and tamped coffee beans. They make a rich and delicious brew. Good Housekeeping Institute experts recommend models that can be brewed with 9 bars or less to ensure an ideal extraction. Beware of manufacturers that boast https://coffeee55619.blogkoo.com/12-facts-about-espresso-machine-to-make-you-seek-out-other-people-49405380