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 let you manage key espresso variables like https://www-coffeee-uk40617.blogstival.com/52278730/11-faux-pas-that-are-actually-acceptable-to-make-with-your-best-home-espresso-machine