Coffee and Espresso Machines Espresso machines make use of pressure to push water through finely ground and tamped coffee beans. They create a rich and tasty brew. Good Housekeeping Institute experts recommend models that can be brewed with a minimum of 9 bars to ensure an ideal extraction. Beware of https://coffeeeuk53749.dm-blog.com/29864600/don-t-make-this-silly-mistake-with-your-espresso-machine