Question: what is the difference between tapioca starch and flour?
Answer: In the United States tapioca starch and tapioca flour are the same thing. ... Tapioca flour comes from the root of the cassava plant. It basically the same thing as tapioca pearls, like you would use for pudding, but tapioca flour has been ground into a a flour. Tapioca flour/starch adds structure to gluten free baking.