Ube, also called the purple yam, went from a nostalgic treat in the Philippines to an exotic item in cafes around the world. But the popularity means the crop supply is under pressure.

Die philippinische Wurzel Ube erobert Social Media, große Café-Ketten holen sie ins Sortiment. Die Kleinbauern, die sie anbauen, profitieren kaum.

Ube, also called the purple yam, went from a nostalgic treat in the Philippines to an exotic item in cafes around the world. But the popularity means the crop supply is under…