Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat water until near boiling before forcing it through tightly packed finely ground coffee in the portafilter to create a concentrated cup of espresso. Many models allow you to regulate key espresso elements, such as temperature https://www-coffeee-uk48589.daneblogger.com/29326026/how-to-create-an-awesome-instagram-video-about-best-home-espresso-machine