Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines bring the water up to a boiling point, then force it through finely ground coffee packed tightly into a portafilter. This creates a concentrated espresso. Many models let you regulate key espresso elements, such as temperature https://coffeeeuk22578.blogdosaga.com/29759276/bean-to-cup-espresso-machine-explained-in-less-than-140-characters