otto's naturals cassava flour, gluten free and grain-free flour for baking, certified paleo & non-gmo verified, made from 100% yuca root, all-purpose wheat flour substitute, 15 lb bag otto's naturals our single-ingredient, multi-purpose cassava flour is a culinary game-changer, matching the unique taste and texture of wheat. it’s the flour our family reaches for first, and because it’s top 8 allergen-free, we love knowing that everyone can reach for seconds. gluten-free, grain-free, nut-free, non-gmo project verified, paleo certified, plant paradox approved, & autism hope alliance endorsed...all with the taste and texture of wheat! it's also really easy to use: in most recipes either sub it in 1:1 by weight or, if your recipe calls for cups, just reduce flour volume by 25%. you no longer have to sacrifice taste or texture for your health because grain-free just got easy!