How to Make Espresso Machine Coffee Espresso machines can create a delicious cup, but they require more care and setup than a regular coffee maker. It also requires you to grind and make your own coffee. Pressure is the main ingredient in making espresso. Here's how an espresso machine works: https://coffeeeuk39639.thenerdsblog.com/35387044/a-guide-to-coffee-machines-espresso-from-start-to-finish