Among the treats in the menu at a "longevity restaurant", an eatery claiming to serve food that will make patrons live longer, in Ogimi, Okinawa, are silver sprat fish, bitter grass with creamy tofu, daikon, seaweed, tapioca with purple potato and potato leaves, and pork cooked in the juice of tiny Okinawan limes. Hungry Planet: What the World Eats (p. 192).