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 an espresso cup that is concentrated. Many models let you control key espresso factors like temperature https://wwwcoffeeeuk75653.get-blogging.com/30317137/10-things-everybody-has-to-say-about-bean-to-cup-espresso-machine-bean-to-cup-espresso-machine