How an Espresso Coffee Maker Works The machine is simple to operate, but requires accuracy when grinding beans and tamping them. It takes time to warm up. Food director Chris Morocco is into espresso Really into it. He packs bags of coffee beans in his luggage each time he travels. https://coffeee-uk26624.blogsmine.com/30308493/15-up-and-coming-best-ground-coffee-for-espresso-machine-bloggers-you-need-to-see