Coffee Machine Espresso Espresso coffee is made by pushing hot water under pressure through the grounds. There's a lot going under the hood to ensure consistent quality. The key components are water temperature and pressure. A good espresso machine will allow you to regulate these variables to ensure consistency in https://wwwcoffeeeuk95371.humor-blog.com/29141070/10-fundamentals-regarding-best-budget-espresso-machine-you-didn-t-learn-in-school