National Tapioca Pudding Day is celebrated on July 15. Tapioca pudding is a sweet pudding typically made with small tapioca pearls, milk, vanilla, sugar, and eggs. It is the most popular American dish made with tapioca. For some people, tapioca pudding is a dessert their parents used to make them growing up. So, for those of you whose taste buds have already been accustomed to this tapioca dessert, National Tapioca Pudding Day is your day to make the best tapioca pudding to your liking.