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 into the portafilter to create a concentrated cup of espresso. Many models let you control important espresso variables like temperature and https://www-coffeee-uk86269.slypage.com/30353547/10-key-factors-about-best-home-espresso-machine-you-didn-t-learn-in-school