Important Parts of an Espresso Machine A quality espresso machine must provide a robust and rich-bodied shot of coffee with a full aroma and a strong flavor. This requires high temperature and pressure. Pay close attention to the crema. This golden-brown layer is what gives rich espressos their characteristic flavor https://www.coffeee.uk/products/de-longhi-stilosa-ec260-cr-manual-espresso-machine-1l