Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat water to near boiling and force it through a tightly packed, finely ground coffee in an espresso portafilter, resulting in an espresso that is concentrated. Many models let you regulate key espresso factors such as https://coffeee77535.newsbloger.com/30346048/20-misconceptions-about-best-home-espresso-machine-busted