Here is an indulgent recipe that lets the sea urchin shine. Ponzu sauce isn't difficult to make, but for this dish, it's fine to use the type that comes in bottles. Buy well-marbled beef labelled ...

In spring last year, Ando learned through a campaign to promote a dish called "uni-don" (sea urchin bowl) that, while their flavorful roes are used in meals, the shells are mostly being discarded.

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 ...