Important Parts of an Espresso Machine A top espresso machine should deliver a strong and thick-bodied shot of coffee, with a full-bodied flavor and intense aroma. This requires high levels of temperature and pressure. Pay attention to the crema. This golden-brown layer gives rich espressos their characteristic flavor and color. https://www.coffeee.uk/products/de-longhi-stilosa-ec-230-bk-espresso-machine-black