How to make the perfect porridge (and is it really healthy?)

Only three ingredients are needed for a dish that is eaten in various forms all over the world: porridge. In the UK, for example, oat porridge is traditionally part of breakfast. But it's not just there that many people swear by this grain-based dish: it's quick to prepare, healthy, and nutritious. But how do you make the perfect porridge? We traveled to Scotland—where porridge has a centuries-old tradition—and had it explained to us by a master of the craft.