Tapioca is a white flavorless powder. It comes from the root of a starchy plant called Cassava. Tapioca flour is gluten free. It is freely available in grocery stores or online. Tapioca flour is mainly used in southeast countries. Tapioca starch is used in soups and stews as a thickener. Tapioca flour needs to be heated to activate the thickening power. Make a slurry of tapioca powder and cold water in equal amounts – 2 Tablespoons of water and 2 Tablespoons of Tapioca powder. Then add it to the hot sauce. Tapioca flour gives a shiny sheen to the stew. Tapioca flour has not much nutritional value it is very low in protein and is high in carbohydrates. Tapioca flour can be stored in a pantry for a year.