How an Espresso Coffee Maker Works The machine is simple to use, but it requires precision when grinding beans and tamping them. It also takes a long time to warm up. Chris Morocco, Food Director Chris Morocco, Food Director of espresso. When traveling, he carries bags of coffee in his https://coffeee31515.blogitright.com/29937096/best-ground-coffee-for-espresso-machine-explained-in-fewer-than-140-characters