A traditional Central American corn flourmake your own tamales and tortillas at home! It’s fun and easy with authentic corn masa haring, a flavorful stone ground cornmeal that’s been precooked with limewater to make the dough pliable. Masa is also wonderful in recipes that call for cornmeal.masa Farina is a traditional Central American corn flour dried and treated by soaking and cooking the mature (hard) grain in a diluted solution of slaked lime (calcium Hydroxide) or wood ash, a process termed nixtamalization.Soaking the corn loosens the hulls away from the kernels and softens the corn, while making it easier to digest and absorb the nutrients.