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 a portafilter to extract an espresso cup that is concentrated. Many models allow you to manage key espresso variables, such https://www-coffeee-uk03044.bloguerosa.com/29141745/what-to-say-about-best-home-espresso-machine-to-your-mom