Coffee and Espresso Machines Espresso machines make use of pressure in order to force water into finely ground and tamped beans. They make a rich, delicious brew. Good Housekeeping Institute experts recommend models that brew at 9 bars minimum to ensure the best extraction. Beware of brands that advertise more https://www-coffeee-uk51582.blogvivi.com/30344008/the-reasons-coffee-machines-espresso-is-more-dangerous-than-you-realized