Ener-g Foods Tapioca Flour- This gluten free flour is a starchy substance extracted from the root of the CASSAVA plant. The flour is used as a thickening agent for soups, fruit fillings, glazes, and baking. This is a wonderful product for the gluten free pantry. It can be mixed with other gluten free flours for a wonderful consistency in your gluten free baking. No gluten intolerant baker should be without it!