''Masa'' or ''masa de maíz'' (; ) is a

dough Dough is a malleable, sometimes elastic paste made from flour (which itself is made from grains or from leguminous or chestnut crops). Dough is typically made by mixing flour with a small amount of water or other liquid and sometimes includes ...

made from ground nixtamalized

maize Maize (; ''Zea mays''), also known as corn in North American English, is a tall stout grass that produces cereal grain. It was domesticated by indigenous peoples in southern Mexico about 9,000 years ago from wild teosinte. Native American ...

. It is used for making

corn tortilla In Mexico and Central America, a corn tortilla or just tortilla (, ) is a type of thin, unleavened flatbread, made from hominy, that is the whole kernels of maize treated with alkali to improve their nutrition in a process called nixtamalizati ...

s, ''

gordita A ''gordita'' (; ) in Mexican cuisine is a dish made with ''masa'' and stuffed with cheese, meat, or other fillings. It is similar to the Colombian and Venezuelan '' arepa''. There are two main variations of this dish, one of which is typical ...

s'', ''

tamale A tamale, in Spanish language, Spanish , is a traditional Mesoamerican dish made of ''masa'', a dough made from nixtamalization, nixtamalized maize, corn, which is steaming, steamed in a corn husk or Banana leaf, banana leaves. The wrapping ...

s'', '' pupusas'', and many other Latin American dishes. It is dried and powdered into a

flour Flour is a powder made by Mill (grinding), grinding raw grains, List of root vegetables, roots, beans, Nut (fruit), nuts, or seeds. Flours are used to make many different foods. Cereal flour, particularly wheat flour, is the main ingredie ...

form called ''harina de maíz'' or ''masa harina''. Masa is reconstituted by mixing with water before using it in cooking. In Spanish, ''masa harina'' translates simply to 'dough flour', and can refer to many other types of dough.

Preparation

Field corn Field corn is a North American term for maize (''Zea mays'') grown for livestock fodder (silage and meal), ethanol, cereal, and processed food products. The principal field corn varieties are dent corn, flint corn, flour corn (also known as sof ...

grain is dried and then treated by cooking the mature, hard grain in a diluted solution of

slaked lime Calcium hydroxide (traditionally called slaked lime) is an inorganic compound with the chemical formula Ca( OH)2. It is a colorless crystal or white powder and is produced when quicklime ( calcium oxide) is mixed with water. Annually, approxim ...

(calcium hydroxide) or

wood ash Wood ash is the powder (substance), powdery residue remaining after the combustion of wood, such as burning wood in a fireplace, bonfire, or an industrial power plant. It is largely composed of calcium compounds, along with other non-combustible ...

, and then letting it soak for many hours. The soaked maize is then rinsed thoroughly to remove the unpalatable flavor of the alkali. This process is

nixtamalization Nixtamalization ( ) is a process for the preparation of maize (corn), or other cereal grain, grain, in which the grain is soaked and cooking, cooked in an alkaline solution, usually limewater (but sometimes aqueous alkali metal carbonates), ...

, and it produces

hominy Hominy is a food item produced from dried maize (corn) kernels that have been treated with an alkali, in a process called nixtamalization ( is the Nahuatl word for "hominy"). "Lye hominy" is a type of hominy made with lye. History The process ...

, which is ground into a relatively dry dough to create fresh masa. The fresh masa can be sold or used directly, or can be dehydrated and blended into a powder to create masa harina, or masa flour. Lime and ash are highly alkaline: the alkalinity helps the dissolution of

hemicellulose A hemicellulose (also known as polyose) is one of a number of heteropolymers (matrix polysaccharides), such as arabinoxylans, present along with cellulose in almost all embryophyte, terrestrial plant cell walls. Cellulose is crystalline, strong, an ...

, the major glue-like component of the maize cell walls, and loosens the hulls from the kernels and softens the corn. Some of the corn oil is broken down into emulsifying agents (monoglycerides and diglycerides), while bonding of the corn proteins to each other is also facilitated. The divalent calcium in lime acts as a cross-linking agent for protein and polysaccharide acidic side chains. The chemical changes in masa allow dough formation, and also allow the nutrient

niacin Nicotinic acid, or niacin, is an organic compound and a vitamer of vitamin B3, an essential human nutrient. It is produced by plants and animals from the amino acid tryptophan. Nicotinic acid is also a prescription medication. Amounts f ...

to be absorbed by the digestive tract. By contrast, untreated

cornmeal Maize meal is a meal (coarse flour) ground from dried maize. It is a common staple food and is ground to coarse, medium, and fine consistencies, but it is not as fine as wheat flour can be.Herbst, Sharon, ''Food Lover's Companion'', Third Editi ...

is unable to form a dough on the addition of water, and a diet heavily reliant on its consumption is a risk factor for

pellagra Pellagra is a disease caused by a lack of the vitamin niacin (vitamin B3). Symptoms include inflamed skin, diarrhea, dementia, and sores in the mouth. Areas of the skin exposed to friction and radiation are typically affected first. Over tim ...

Other uses

The ground product can be called ''masa nixtamalera''. In Central American and

Mexican cuisine Mexican cuisine consists of the cuisines and associated traditions of the modern country of Mexico. Its earliest roots lie in Mesoamerican Cuisine, Mesoamerican cuisine. Mexican cuisine's ingredients and methods arise from the area's first agr ...

, ''masa nixtamalera'' is cooked with water and

milk Milk is a white liquid food produced by the mammary glands of lactating mammals. It is the primary source of nutrition for young mammals (including breastfeeding, breastfed human infants) before they are able to digestion, digest solid food. ...

to make a thick, gruel-like beverage called ''

atole ''Atole'' (, believed to come from Nahuatl ''Aztec cuisine, ātōlli'' or from Mayan), also known as ''atolli'', ''atol'' and ''atol de elote'', is a traditional hot masa-based beverage of Mexicans, Mexican origin. Atole can have different flav ...

''. When made with

chocolate Chocolate is a food made from roasted and ground cocoa beans that can be a liquid, solid, or paste, either by itself or to flavoring, flavor other foods. Cocoa beans are the processed seeds of the cacao tree (''Theobroma cacao''); unprocesse ...

and

sugar Sugar is the generic name for sweet-tasting, soluble carbohydrates, many of which are used in food. Simple sugars, also called monosaccharides, include glucose Glucose is a sugar with the Chemical formula#Molecular formula, molecul ...

, it becomes ''atole de chocolate''. Adding

anise Anise (; '), also called aniseed or rarely anix, is a flowering plant in the family Apiaceae native to the eastern Mediterranean region and Southwest Asia. The flavor and aroma of its seeds have similarities with some other spices and herbs, ...

and ''

piloncillo Panela () or rapadura (Portuguese pronunciation: ) is an unrefined whole cane sugar, typical of Latin America. It is a solid form of sucrose derived from the boiling and evaporation of sugarcane juice. Panela is known by other names in Lati ...

'' to this mixture creates ''

champurrado Champurrado is a chocolate-based ''atole'', a warm and thick Mexican cuisine, Mexican beverage. It is prepared with either a ''masa'' (Limewater#Food Preparation, lime-treated corn dough),'' masa harina'' (a dried version of this dough), or maize ...

'', a popular breakfast drink.

References

{{Corn Flour Doughs Mexican cuisine Central American cuisine Latin American cuisine

Preparation

Other uses

See also

References