Tortillas corn flour made from ground, dried corn. Ideal to make masa harina (dough) for tortillas, sopes and empanadas, enchiladas, pupusas, guaraches, arepas and atole. Maseca Instant Corn Masa is a product from Azteca Milling. Maseca corn flour is gluten free. Azteca Milling LP, the producer of Maseca and "Stone Ground" VGP brand Masa - Mixta, is a division of Gruma Corporation. With 50 years of experience in the production of corn masa flour, it's no wonder that Gruma is the world's largest producer of corn masa flour.