Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat water to near boiling before forcing it through tightly packed, finely ground coffee in an espresso portafilter, resulting in a concentrated cup of espresso. Many models allow you to control important espresso variables like temperature https://coffeee-uk97273.bligblogging.com/30372780/20-fun-informational-facts-about-best-home-espresso-machine