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 in the portafilter to create an espresso that is concentrated. Many models let you regulate important espresso variables like temperature and https://coffeee-uk71798.59bloggers.com/30244145/an-intermediate-guide-the-steps-to-best-home-espresso-machine