Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat water to near boiling before forcing it through a tightly packed, finely ground coffee in the portafilter to create an espresso cup that is concentrated. Many models let you regulate key espresso elements like temperature https://coffeeeuk79094.blogozz.com/29290097/the-three-greatest-moments-in-best-home-espresso-machine-history