Read more: 25 Delicious Ways To Use Up Leftover Rice Saffron is one of the most important spices used in Persian cuisine, and it's a key flavor ingredient for both savory and sweet foods.

The next most expensive spice? Vanilla, at about $600 a pound ... 90% of the world's saffron is grown in arid fields in Iran. But harvesting all of that saffron comes at a price.

Almost all items in the Nowruz haft-sin table can be found at Devon Market. In Iran, families arrange the haft-sin table with ...