Important Parts of an Espresso Machine A quality espresso machine will produce a shot of coffee with a dense body, a rich flavor and an intense aroma. This requires a high pressure and temperature. Pay focus on the crema. This golden-brown layer is what gives rich espressos their characteristic taste https://coffeee-uk05230.wssblogs.com/29820613/everything-you-need-to-know-about-espresso-machine