Coffee and Espresso Machines Espresso machines make use of pressure to push water through finely ground and tamped coffee beans. They make a rich, delicious brew. Experts at the Good Housekeeping Institute recommend models that brew at a minimum pressure of 9 bars to ensure the highest extraction. Beware of https://wwwcoffeeeuk23782.losblogos.com/29256276/7-simple-tips-for-rocking-your-espresso-machine