Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat water until near boiling and force it through a tightly packed finely ground coffee in an espresso portafilter, resulting in an espresso cup that is concentrated. Many models allow you to manage key espresso variables, https://coffeee-uk48614.amoblog.com/the-three-greatest-moments-in-best-home-espresso-machine-history-51712767