Coffee and Espresso Machines Espresso machines use pressure to push water through finely ground and tamped coffee beans. They produce a rich, delicious cup. Good Housekeeping Institute experts recommend models that use a minimum of 9 bars to ensure a perfect extraction. Beware of companies that claim to use more https://coffeeeuk14716.blogscribble.com/29840004/why-we-are-in-love-with-espresso-machine-and-you-should-also