Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat water until close to boiling, then force it through tightly packed finely ground coffee into a portafilter to extract a concentrated cup of espresso. Many models let you regulate important espresso variables like temperature and https://wwwcoffeeeuk31886.buyoutblog.com/29857180/how-to-make-an-amazing-instagram-video-about-best-home-espresso-machine