Rick pulls a small sample scoop out of the roasting machine and smells the light brown beans: Not done yet. “Coffee used to be just a luxury item for me,” says the 33-year-old: “Now I roast it. It’s exactly my thing.” But Rick did not discover his caffeine craving at some overpriced boutique cafe, but behind bars. He roasts at the Remscheid Prison. Coffee has been produced there since the beginning of May – a first for the state of North Rhine Westphalia, Germany’s largest. The prison is pretty sure it’s the only coffee roaster behind bars in the country. The project took two years – from the …