Coffee Machine Espresso Espresso coffee machine produces a smoky cup of coffee with hot water that is forced through tightly compacted grounds. There's a lot going on under the hood to ensure consistent quality. Pressure and temperature of water are the two most crucial factors. You can regulate these variables https://coffeee57011.blogripley.com/30396238/11-faux-pas-which-are-actually-okay-to-make-with-your-best-home-espresso-machine