Coffee Machine Espresso Espresso coffee is made by pushing hot water under pressure into the grounds. There's a lot that goes under the hood to ensure consistently high-quality coffee. The most important factors are temperature of the water and pressure. A good espresso machine will allow you to control these https://coffeeeuk27628.ageeksblog.com/29127326/best-home-espresso-machine-explained-in-fewer-than-140-characters