Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat water to close to boiling, then force it through tightly packed finely ground coffee in a portafilter to extract an espresso cup that is concentrated. Many models allow you to manage key espresso variables, such https://coffeee66811.ttblogs.com/9391409/bean-to-cup-espresso-machine-isn-t-as-difficult-as-you-think