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 control key espresso factors such as temperature https://coffeeeuk40654.blogacep.com/35017817/it-s-the-next-big-thing-in-bean-to-cup-espresso-machine