Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat water until near boiling before forcing it through a tightly packed finely ground coffee into the portafilter to create a concentrated cup of espresso. Many models let you control key espresso factors like temperature and https://coffeee66811.ttblogs.com/9375293/15-secretly-funny-people-working-in-bean-to-cup-espresso-machine