Coffee and Espresso Machines Espresso machines utilize pressure to make water into finely ground and tamped beans. They create a rich and tasty brew. Experts from the Good Housekeeping Institute recommend models that brew with a minimum pressure of 9 bars to get the best extraction. Beware of manufacturers that https://coffeeeuk01982.bloguetechno.com/the-most-successful-coffee-machines-espresso-gurus-do-3-things-65121675