Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat water until near boiling and force it through tightly packed, finely ground coffee in the portafilter to create a concentrated cup of espresso. Many models allow you to control key espresso factors, such as temperature https://coffeeeuk84010.blogoscience.com/35899099/30-inspirational-quotes-about-best-home-espresso-machine