YouTube has become a valuable resource for professional chefs and, in recent years, has helped skilled amateurs build culinary reputations and open restaurants (Kate Krader/Bloomberg)

Kate Krader / Bloomberg: YouTube has become a valuable resource for professional chefs and, in recent years, has helped skilled amateurs build culinary reputations and open restaurants  —  In kitchens around the world, chefs are turning to YouTube to learn new skills and establish their culinary reputations.