The United States leads the world in spice consumption, but also in spice imports. Nikada/Getty Images/iStockphoto hide caption
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saffron
On Santa Lucia Day in Sweden, it's tradition to dress as the Sicilian saint and serve coffee and lussebullar (saffron buns) in her honor. Sven Nackstrand/AFP/Getty Images hide caption
At about $15 a gram, saffron is the world's most expensive spice. Rumi Spice has a unique model of employing Afghan farmers who are growing it that aims to double or even triple their annual income. Cristina Hirschkorn/Courtesy of Rumi Spice hide caption