Add Yahoo as a preferred source to see more of our stories on Google. Saffron threads in a spoon - Robin Stewart/Getty Images Often called red gold, saffron is the most expensive spice in the world: A ...

What is saffron? Learn the average saffron price, how to cook with the spice, and how to tell the real deal from impostors. Fact checked by Marcus Reeves You may have seen saffron at the grocery store ...