Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines heat water to close to boiling, then force it through a tightly packed finely ground coffee into the portafilter to create an espresso cup that is concentrated. Many models allow you to regulate key espresso elements, https://coffeee97292.snack-blog.com/29747886/15-gifts-for-the-bean-to-cup-espresso-machine-lover-in-your-life