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 ...

Sea urchin has been a staple of Japanese cuisine for hundreds of years, often featured in sushi and sashimi dishes. More commonly called "uni" when it appears on menus, the delicacy has taken over ...