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 a concentrated cup of espresso. Many models let you regulate important espresso variables like temperature and https://www-coffeee-uk47875.theblogfairy.com/29327062/10-things-you-ve-learned-from-kindergarden-which-will-help-you-with-bean-to-cup-espresso-machine