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 an espresso portafilter, resulting in a concentrated cup of espresso. Many models allow you to control key espresso factors like https://coffeee41931.blogdanica.com/29725537/ten-things-your-competitors-teach-you-about-best-home-espresso-machine