Quay naturals Cassava flour is a single ingredient, gluten-free, allergen-free, grain-free, nut-free flour with taste and texture of wheat, without the dry, strong, unfamiliar taste or texture that often comes with using some gluten free flours. Description: Made with 100% Yuca root. Quay naturals Cassava flour is a single ingredient, gluten-free, allergen-free, grain-free, nut-free flour with taste and texture of wheat, without the dry, strong, unfamiliar taste or texture that often comes with using some gluten free flours. Free of Top 9 allergens: Quay’s Premium Cassava flour is made from 100% Yuca root. Every batch is tested and confirmed to be free from milk, eggs, fish, tree-nuts, peanuts, Sesame, wheat, and soybeans.