Make Masa: Nixtamalized Corn

About 1,500 B.C., cooks in coastal Guatemala figured out that cooking dried corn in alkali water removed the kernels' skins and produced a softer dough than unprocessed ground corn.

| April/May 2004

  • Corn Tortillas
    These homemade tortillas start with a dough made from whole-grain corn masa that is shaped and then cooked like a pancake on a griddle. Homemade salsa makes a great accompaniment.
    Photo courtesy David Cavagnaro
  • Masa
    Whether ground or whole, nixtamalized corn "has a taste and aroma like no other food on Earth — a delicately nutty quality combined with something almost chalky and mineral-like," says Zarela Martinez.
    Photo courtesy Fotolia/Dahliamm

  • Corn Tortillas
  • Masa

About 1,500 B.C., cooks in coastal Guatemala figured out that cooking dried corn in alkali water removed the kernels' skins and produced a softer dough than unprocessed ground corn.

More recently, food scientists have found that this process, called nixtamalization, increases the bioavailability of both protein and niacin, and radically reduces the toxins often found in moldy corn. The resulting dough, called masa, is the basis for corn tortillas, chips, tamales and other specialty corn foods. Whole corn that has been nixtamalized is called hominy or posole, while the ground form is called masa.

Whether ground or whole, nixtamalized corn "has a taste and aroma like no other food on Earth — a delicately nutty quality combined with something almost chalky and mineral-like," says Zarela Martinez, owner of Zarela restaurant in New York City and author of The Food and Life of Oaxaca. She shared the following recipe for nixtamalizing your own corn:




Nixtamalized Corn

2 pounds clean, dried flour-corn kernels (about 1 quart)
1/4 cup pickling lime (food-grade calcium hydroxide)
3 quarts water

Rinse the corn in a colander and set aside. In a large, stainless steel (nonreactive) pot, dissolve the lime in the water. Immediately wash off any lime that gets on your hands. Add the corn and discard any floating kernels. Bring to a boil over high heat. Reduce the heat to low, and cook uncovered for 15 minutes. Turn off the heat, cool the pot and let it sit, uncovered, for 4 hours at room temperature or overnight in the refrigerator. Pour the corn into a colander in the sink. With the cold water running, rub the kernels between your hands to rub away the softened hulls (they will have a gelatinous texture). Rinse thoroughly (some old recipes say to wash between 4 and 11 times). Drain well. Use the whole, moist kernels in soups or stews. Or, grind them through a food mill able to handle moist kernels to make masa, to which you can add enough water to make a slightly sticky dough for making tamales or, using a tortilla press, tortillas. Promptly refrigerate any unused masa, and use it within 3 days.

sfraysse
6/12/2013 2:03:02 PM

I am concerned about food in these precarious times.  Does anyone know if grain for animals is edible for people such as corn and oatmeal mixtures.  mailto:respect1953@gmail.com


Scott Jones
3/3/2012 8:17:22 PM

Very interesting, nixtamalization. I wonder how that may be beneficial with other grains, in improving nutritional qualities. I wonder about using baking powder for similar nutritionally improving purposes(monocalcium phosphate, potassium bicarbonate).


Steven Wrubleski
12/31/2010 11:08:25 AM

I read the April 2004 article "Nixtamalize your corn". I really want to communicate with the author, or someone who claims to have more details about the history of nixtamalization of corn. thank you - Steven WRubleski







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