Coffee and Espresso Machines Espresso machines use pressure to make water into finely ground and tamped 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 brands who claim to use https://coffeee-uk96638.dgbloggers.com/30160795/5-laws-that-can-help-the-espresso-machine-industry