Today we focus on Furikake, rice's best friend. Invented by a pharmacist a century ago, it was originally intended as a health food. Furikake is a mixture of dried ingredients like chopped seaweed, eggs and fish flakes. With an ever-increasing variety of flavors, it's even great on salad and pasta. Follow our American reporter Jason to a Furikake manufacturer, and try making some at home! He also chats with a Japanese resident of Cambodia working to promote the topping there. (Reporter: Jason Hancock)

The sweet potato – a popular winter treat in Japan that varies in texture and sweetness. Individual characteristics determine how they're eaten, be it baked, dried or for dessert! Learn about a special type of soil using fossilized coral and a curing method for long-term preservation. Also, feast your eyes on everyday recipes and even French cuisine featuring the ingredient. (Reporter: Sarah Macdonald)