Home Espresso Machines A machine that makes espresso makes use of hot water pressure to force through coffee grounds. Once you've perfected the brewing conditions, it is hard to go back. The best machines come with reservoirs or an ongoing source of water. They also come with a high-quality milk https://www.coffeee.uk/products/de-longhi-ecp3630-espresso-cappuccino-machine-with-adjustable-frother