Purple yam is used in a variety of desserts, as well as a flavor for ice cream, milk, Swiss rolls, tarts, cookies, cakes, and other pastries. In the Philippines, it is eaten as a sweetened dessert or jam called ube halaya and added as an ingredient in the ice dessert called halo-halo. In Maharashtra, the stir-fried chips are eaten during religious fasting. Purple yam is also an essential ingredient in Undhiyu.
D. alata is also valued for the starch that can be processed from it