The canonical “most expensive” spice by weight is saffron, which seems to retail at between $30 and $300 an ounce depending on quality. FWIW saffron is the dri

The canonical “most expensive” spice by weight is saffron, which seems to retail at between $30 and $300 an ounce depending on quality. FWIW saffron is the dried stigma of the saffron crocus crocus sativa so only a small part of the flower