Bob's Red Mill Golden Masa Harina Corn Flour, 22 oz is a must-have ingredient for traditional, homemade corn tortillas and tamales. Made with dried corn kernels that have been cooked and soaked in limewater before grinding, our masa harina corn flour can be used for a variety of foods. It is ideal for making tortillas, tamales, and pupusas, but it can also be used as breading or to thicken chili and soup.