Saffron is one of the most precious spices in the world. The threadlike red stigmas—and the yellow hue they impart – are quite literally the stuff of legend. But what is saffron, exactly? No matter how many tales have been told about the spice, a lot of us still don’t know what to do with it or whether it’s worth the high cost. In this article we have tried to explain everything you need to know about this legendary spice.