USDA Organic. Certified Organic by QAI. Sourced Non-GMO pledge. For more information on our sourced non-GMO pledge, visit bobsredmill.com/non-gmo. An employee-owned company. To your good health - Bob Moore. Pride of the mill. Masa, the Spanish word for dough, is the traditional dough used to make corn tortillas. It is made with dried corn kernels that have been cooked and soaked in limewater and then ground into masa. Masa harina (dough flour) is flour made from dried masa. You can see our quality. Dear Friends, There's nothing better than fresh, homemade tortillas. Well, maybe one thing: sharing the, with the people you love the most! Simple, delicious, organic. It doesn't get much better than that. To your good health, - Bob Moore. BobsRedMill.com. For information and recipes, visit BobsRedMill.com.