How an Espresso Coffee Maker Works The machine is easy to use but requires precision when grinding beans and tamping them. It takes time to warm up. Food director Chris Morocco is into espresso and really enjoys it. When when he travels, he puts bags of coffee in his luggage. https://wwwcoffeeeuk83428.total-blog.com/the-best-ground-coffee-for-espresso-machine-awards-the-best-worst-and-strangest-things-we-ve-ever-seen-55081453