Important Parts of an Espresso Machine A top espresso machine can create a shot of espresso with a thick body with a rich taste and an strong aroma. This requires a high level of temperature and pressure. Pay attention to the crema. This golden-brown layer is what gives rich espressos https://www.coffeee.uk/products/de-longhi-barista-pump-espresso-machine-coffee-cappuccino-maker-black