A single ingredient, gluten-free, allergen-free, grain-free, nut-free flour. Description: A single ingredient, gluten-free, allergen-free, grain-free, nut-free flour. It is flavorless, which means it is great for both savory and sweet recipes. It is also smooth, helping reduce the “grittiness” in gluten-free breads and cakes. Free of Top 9 allergens: Quay’s Premium Tapioca 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. So, you can make any recipe allergen free with peace of mind. Corn starch substitute: You can re-create your favorite recipes.