Recado / Masa Harina

Masa harina (Spanish: 'dough flour') is corn flour produced by nixtamalizing dried corn kernels — cooking them in a lime (calcium hydroxide) solution — then drying and finely grinding the treated grain. The result is a shelf-stable powder that, when hydrated with warm water, approximates fresh masa (the live dough made directly from freshly nixtamalized corn). **Nixtamalization — the essential process:** Dried corn (maize) is simmered in an alkaline solution of water and cal (calcium hydroxide, food-grade slaked lime). The alkaline bath loosens the pericarp, gelatinizes the outer starch layers, and — critically — releases niacin (vitamin B3) from a bound form (niacytin) into bioavailable form. It also develops distinctive earthy, mineral, and slightly nutty flavor compounds absent from untreated corn. The treated corn (called nixtamal) is rinsed and can be ground fresh into masa or dried for later flour production. **Masa harina vs. fresh masa:** Fresh masa — ground from still-damp nixtamal — has a cohesive, pliable texture and a pronounced corn fragrance. Masa harina, having been dried and re-hydrated, loses some of those volatile aromatics and develops a slightly different starch structure. The resulting dough tends toward drier, less plastic handling. Experienced tortilla makers can distinguish them by feel and by the faint but perceptible flavor difference — fresh masa reads as more alive and complex. For tamales, the difference is more pronounced: fresh masa absorbs and holds fat (lard) differently. **Standard hydration:** Masa harina hydrates at approximately 1:1 to 1:1.1 by weight (masa harina to warm water), though formulations vary by brand and intended use. Tortilla masa is firmer; tamale masa is softer and enriched with lard or vegetable shortening, usually at 20–30% fat to dough by weight. **Recado — a related term from the Yucatán:** In Yucatecan and Belizean cooking, 'recado' (also 'recaudo') refers to seasoning pastes built from ground spices, toasted chili, and sometimes achiote, used to marinate meats before slow cooking. Recado rojo (achiote paste) and recado negro (charred chili paste) are the two principal types. The name shares a root with 'recadar' (to gather, prepare) — a prepared compound seasoning. Recado is distinct from masa harina but may appear together in this glossary entry as paired terms reflecting a Yucatecan culinary context. **Brands and sourcing:** Maseca (Gruma) is the dominant commercial masa harina brand globally. Bob's Red Mill and smaller regional mills produce masa harina at varying grind levels. Specialty producers (Masienda, Tortilleria Nixtamal) offer varietal-specific masa harina from heirloom corn, with meaningfully different flavor profiles.

“In the absence of fresh masa, reconstitute masa harina with warm water and a pinch of salt until it holds together and doesn't crack at the edges — that's the right hydration for tortillas.”

• TechniqueNixtamalization
• IngredientMasa
• CuisineMexican

1. 1.Authentic Mexican — Rick Bayless
2. 2.Tacos, Tortas, and Tamales — Roberto Santibañez
3. 3.Oaxaca — Bricia Lopez & Javier Cabral
4. 4.On Food and Cooking — Harold McGee
5. 5.The Essential Cuisines of Mexico — Diana Kennedy

Confidence: high