“I love the taste of urchin when it’s really good,” Sloan says. “You start with sea salt, then you get a big iodine hit, and, at the end, a distinctive sweetness that sits in your mouth ...

Considered a delicacy in several parts of the world, sea urchin, or uni in Japanese, is prized for its unique flavor. But the cost of the gonads — the orange tongues found inside an urchin ...