Sweet Potatoes: Okinawa’s Purple Gold
Scientists found that Okinawan sweet potatoes contain 150% more antioxidants than blueberries. These potatoes make up 60% of the traditional Okinawan diet, especially the purple varieties. Local farmers grow them year-round in mineral-rich volcanic soil, which adds to their nutritional punch. You’ll spot these sweet potatoes at every meal in Okinawa, from breakfast hash to dinner stews.