Important Parts of an Espresso Machine A quality espresso machine must deliver a strong and thick-bodied shot of coffee, with a full-bodied aroma and a strong flavor. This requires high temperature and pressure. Pay close attention to the crema. This golden-brown layer gives rich espressos their distinctive flavor and color. https://www.coffeee.uk/products/delonghi-traditional-pump-espresso-machine-220v-black