Ube chiffon cake is a chiffon cake made with ube. Chiffon cake is a type of cake that is made with egg whites in order to attain a light and fluffy texture.
Ube, or purple yam, is a variety of yam that is popular as a dessert flavoring in the Philippines and other Asian countries. Make ube chiffon cake by incorporating ube powder or flavoring into a basic chiffon cake recipe, as in the recipe on BakeHappy.net.
Ube chiffon cake may also incorporate fresh ube or ube jam. The yam is generally pureed, then mixed with the other cake ingredients.