Except for the purple ube (not to be confused with the purple sweet potato), most types of yams ... True to their name, sweet potatoes are usually much sweeter than yams, which are fairly starchy ...

One of their specialties is the vibrant purple ube doughnut, which is made using a yam that's indigenous to the Philippines. Story by Sarah Schmalbruch and editing by Ben Nigh Follow INSIDER Food ...

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 ...