Those earthy, highly nutritious tubers go by the names of Okinawan and Molokai purple sweet potatoes. When comparing types of ...

Thirteen years after Wes Avila first turned the classic taco de papa on its head by using in-season, local sweet potatoes, he ...

The vegetable made up more than half of the daily diet eaten by those on a Japanese island where living to 100 is often the norm.

Another area is Okinawa - an island chain in southern Japan. Here, a purple food has played a huge part in the residents' daily diet - sweet potato. This food has been championed for its wealth of ...