What is the world's most expensive type of spice?

Saffron is considered the world's most expensive spice. It is derived from the Crocus sativus plant and each flower produces only three stigmas which are handpicked, making it a labor-intensive process. Saffron is primarily cultivated in Iran, Greece, and Morocco. It has a unique flavor and is used in a variety of dishes ranging from sweet to savory.

The price of saffron can vary widely depending on the quality and where it is being sold. The highest quality saffron can cost up to $10,000 per kilogram. This is due to the fact that it takes around 75,000 saffron flowers to produce just one pound of saffron threads.

Saffron has been used for thousands of years for medicinal purposes and is still used today in traditional medicine. It is believed to have many health benefits including improving mood, treating depression, and reducing PMS symptoms.