Coffee Machine Espresso Espresso coffee is produced by forcing hot water under pressure through the grounds. There's a lot that goes behind the scenes to deliver the same quality of coffee. The main elements are water temperature and pressure. A good espresso machine allows you to manage these variables for https://wwwcoffeeeuk47608.blogsuperapp.com/30330208/what-is-the-evolution-of-best-budget-espresso-machine