Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat water until near boiling and force it through tightly packed finely ground coffee in a portafilter to extract an espresso cup that is concentrated. Many models let you regulate key espresso factors such as temperature https://www-coffeee-uk23067.like-blogs.com/29676080/the-best-home-espresso-machine-case-study-you-ll-never-forget