Saffron is the most expensive spice in the world by weight. It is derived from the stigma of the Crocus sativus flower and must be handpicked, requiring around 150 flowers to yield just one gram of saffron threads.
Saffron truly is a fascinating spice! Its labor-intensive harvesting process, requiring around 150 flowers for just one gram, makes it incredibly valuable. No wonder it's the most expensive spice in the world by weight!