Coffee and Espresso Machines Espresso machines use pressure to force water through finely ground and tamped coffee beans. They produce a rich, delicious cup. Good Housekeeping Institute experts recommend models that can be brewed with 9 bars or less to ensure a perfect extraction. Beware of companies that claim to https://www-coffeee-uk91567.canariblogs.com/7-simple-tips-to-totally-refreshing-your-espresso-machine-45051093