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 sucked tightly into a portafilter. This produces a concentrated espresso. Many models let you manage key espresso variables, such as temperature https://coffeee-uk01146.blog2freedom.com/29853467/what-s-the-reason-nobody-is-interested-in-best-home-espresso-machine