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 the portafilter to create a concentrated cup of espresso. Many models allow you to regulate key espresso elements, such as https://www-coffeee-uk51020.blogpostie.com/51980606/an-intermediate-guide-to-best-home-espresso-machine