The Authentic Foods Arrowroot Flour is extracted from the root of the marantha arundinacea which is indigenous to the West Indies. Arrowroot Flour is perfect to use in gluten-free and corn-free cooking. It can be used in the following ways: As a replacement for Cornstarch (2 teaspoons Arrowroot flour 1 tablespoon Cornstarch) as a flour substitute alone or mixed with rice flour for gluten-free baking. If used alone, the substitution is 1 teaspoon Arrowroot flour 1 tablespoon wheat flour as a thickening agent for sauces, fruit pie fillings, glazes, and puddings. Directions for use as Thickening Agent: Cool the liquid you would like to thicken. Then mix in a tablespoon or so of the Authentic Foods Arrowroot Flour. Heat the mixture until it thickens. Arrowroot flour is corn-free, dairy-free, soy-free, nut-free and certified kosher. It is non-GMO and great for Paleo baking.