How to Make Espresso Machine Coffee Espresso machines can make an excellent cup of coffee, but they require more maintenance and setup than a regular coffee maker. You must also grind and tamp the beans yourself. Pressure is a key element in making espresso. Here's how an espresso maker operates: https://www.coffeee.uk/products/salter-ek4369-caffe-barista-pro-espressokocher-15-bar