We're sorry, there seems to be an issue playing this video. Please refresh the page or try again in a moment.If you continue to have issues, please contact us here.
Loading Video...
Japanese Purple Sweet Potato
03:24
In Okinawa, Japan, Debbie Wong finds a versatile local ingredient that's rumored to be the secret to longevity. The purple sweet potato called beni-imo is a superfood used in chips, tarts, soba and even ice cream.