A global hunt for ube, whose signature violet hue has taken over social media, is upending a precarious supply chain in Asia.

Ube, which has long been a staple in Filipino desserts, has become the newest obsession in Korean cafes. The root crop, also ...

That's not food coloring—it's ube. And it deserves to be on your radar for a very delicious reason.

A purple reign is taking root across the globe, from coffee shops in New York to bakeries in Sydney and beauty retailers in London,” declared a recent CNN article about Philippine “ube” or purple yam.

Ube, a Filipino yam that is popular for its bright purple color, is seeing a strong rise in the United States as a flavor, ...