Although they're both purple and have a comparable sweet taste, there are distinct differences between the Okinawan purple sweet potato and the ube tuber. Okinawan purple sweet potatoes, very much ...

In a medium nonstick saucepan or skillet over medium heat, cook ube halaya with condensed milk until thickened and jammy, 6-8 minutes. Add powdered milk, lime zest, salt and sugar. Continue ...