If masa flour has turned up in a recipe or caught your eye at the store, here's what you need to use it with confidence and how to choose it, cook it, store it, what to substitute, and 11 recipes to try it in.

What is masa flour?

Masa flour, usually sold as masa harina, is corn that has been nixtamalized, cooked and soaked in slaked lime, then dried and ground to a fine flour. That lime treatment is what separates it from plain cornmeal and gives it the unmistakable aroma of a fresh corn tortilla.

Add water and it rehydrates into masa, the soft dough behind tortillas, tamales and pupusas. You are essentially reconstituting fresh masa from a shelf-stable powder.

It is not the same as cornstarch, cornmeal or corn flour, and swapping one for another rarely works.

How to Use Masa Flour

For dough, the basic ratio is roughly 2 cups masa harina to 1½ cups warm water plus a little salt. Knead a minute, let it rest 10 minutes, and it should feel like soft play-dough.

Too dry and tortillas crack at the edges; too wet and they stick to the press.

Tamale dough takes the same flour but beats in fat, usually lard, until the masa is light enough to float a spoonful in water. You see this in Maya Corn & Bean Tamales and Meatless Bulgur-Filled Tamales.

Masa flour also works as a thickener with built-in corn flavor, which is why a spoonful stirred in late is the classic finish for Texas-style chili. It does that job in Camp Chilli, Casi-Style Chili and Rio Grande Chili, and turns up in griddle cakes like Corn Cakes-Essence of Emeril.

Pairing and Common Mistakes

Masa's toasty corn flavor sits naturally with chiles, cumin, pork, beans, cheese and lime, the backbone of Mexican and Tex-Mex cooking.

The biggest mistake is grabbing the wrong corn product. Regular cornmeal and corn flour are not nixtamalized, so tortillas made from them taste flat and fall apart. The label has to say masa harina, or in Spanish nixtamalized corn.

A second misstep is letting tamale dough go dense. Skimp on the fat or the beating and the tamales steam up heavy and gummy instead of tender. Beat the fat in well and check the float test before you wrap.

What to Use Instead

There is no clean one-to-one swap for masa flour, because the lime-cooked flavor is the whole point of the dish.

For thickening chili, a cornstarch or all-purpose flour slurry will set the liquid but adds none of the corn taste; fine cornmeal gets closer on flavor.

For tortillas or tamales, the honest answer is to buy the right flour, since cornmeal simply will not bind into a workable dough. Masarepa, the precooked corn flour for arepas, behaves differently and is not a reliable substitute either, though both make Cheese Arepas in their own styles.

Buying and Storing Masa Flour

Masa harina lives in the Latin or baking aisle, with Maseca the most common brand. You will see versions for tortillas and a coarser grind for tamales; the tortilla grind is the safe all-purpose choice.

Because it carries some corn oil, masa harina can go stale or rancid over time. Keep the bag sealed tight in a cool, dark cupboard and use it within several months of opening.

For longer storage, an airtight container in the freezer keeps it fresh well past a year. If it smells musty, sour or like old crayons, the oils have turned and it is time for a fresh bag.

Quick facts

In Chinese

玉米粉糊面粉

British (UK) term

Masa flour

en français

la farine masa

en español

harina de masa

Recipes using masa flour

There are 11 recipes that contain this ingredient.

All 11 recipes