Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines bring the water up to a boiling point before forcing it through finely ground coffee that is packed tightly into a portafilter. This produces a concentrated espresso. Many models let you regulate key espresso elements like https://wwwcoffeeeuk07003.theobloggers.com/35960245/many-of-the-common-errors-people-make-with-bean-to-cup-espresso-machine