This is Ube a root from the philippines
U can eat an ice-cream, donut or a cake what ever you want with ube
My favorite sort of ube <3
source:
www.bakehappy.net/wp-content/uploads/2015/02/01-Ube-Cake.jpg
www.juice.ph/cms_images/15795/purple_yam.jpg
www.youtube.com/watch?v=8brChZLJ7Hk