Corn Tortillas

Method

1. Mix the dough. Combine masa harina and salt in a bowl. Add warm water gradually, mixing with your hands until a soft, pliable dough forms. It should feel like Play-Doh — smooth, not crumbly, not sticky. Let the dough rest for 5 minutes — the masa absorbs water and the texture evens out.

2. Divide into balls. Pinch off pieces and roll into golf ball-sized spheres (about 1.5 inches). You should get 12–14 balls. Keep them covered with a damp towel to prevent drying.

3. Press the tortillas. Place a ball between two sheets of plastic (a cut zip-lock bag) in a tortilla press. Press firmly — the tortilla should be about 5–6 inches in diameter and uniformly thin. If using a skillet, place the plastic-covered ball on the counter and press flat with the bottom of a heavy pan. Peel the plastic off gently.

4. Cook on a dry, hot surface. Heat a cast iron skillet or comal over medium-high heat — no oil. Place the tortilla on the dry surface and cook for 45–60 seconds until the bottom has light brown spots and the edges start to dry. Flip and cook for 30–45 seconds on the second side. If the tortilla puffs up with steam, that's the sign of a perfectly cooked tortilla — press it gently with a towel to encourage the puff.

5. Stack in a towel-lined container immediately after cooking. The steam trapped between the tortillas keeps them soft and pliable. Serve warm within 30 minutes for the best texture.

Equipment

• Tortilla press (or heavy skillet + plastic bags)
• Cast iron skillet or comal Recommended: Lodge 12-Inch Pre-Seasoned Cast Iron Skillet
• Mixing bowl Recommended: Vollrath Stainless Steel Mixing Bowl
• Clean kitchen towel
• Zip-lock bag, cut open (for pressing)

Chef Notes

• The most important thing: Masa harina is not cornmeal. Masa harina is corn flour made from nixtamalized corn (treated with lime/calcium hydroxide). This process changes the flavor, texture, and nutritional profile. Cornmeal will not work — the tortillas won't hold together.
• The dough should feel like Play-Doh — soft, pliable, and not sticky. If it cracks at the edges when you press a ball flat, it's too dry — add water 1 tablespoon at a time. If it sticks to your hands, it's too wet — add masa 1 tablespoon at a time.
• A tortilla press makes this effortless. Without one, use a heavy skillet or pot to press the dough between two sheets of plastic (a cut zip-lock bag works perfectly).
• Cook on a dry, very hot surface — no oil. The dry heat creates the characteristic toasted corn flavor and the slight puff that indicates a properly cooked tortilla.
• Keep cooked tortillas in a towel-lined container. The steam keeps them pliable. Uncovered tortillas dry out and crack within minutes.

Common Substitutions

Ingredient	Substitution	Notes
Masa harina	No real substitute	Cornmeal, corn flour, and polenta are all different products. Masa harina is specifically nixtamalized
Tortilla press	Heavy skillet + plastic bags	Place dough between plastic, press with the flat bottom of a heavy pan
Cast iron skillet	Nonstick pan or comal	Cast iron holds heat best. Nonstick works but doesn't get as hot

What You're Practicing

Corn tortillas teach you nixtamalized corn — one of the oldest food technologies in the world, dating back 3,500 years to Mesoamerica. Nixtamalization (treating corn with alkaline lime water) transforms the corn's nutritional profile, making niacin bioavailable and preventing pellagra. Understanding this process connects you to the deep history of Mexican and Central American cuisine. Visit Techniques for more on ancient food techniques.

You're also learning dry-heat flatbread cooking — the same technique used for flour tortillas, naan, and pita. The dry surface creates browning through direct contact heat, while the moisture inside the dough creates steam that puffs the bread. Explore more at Pastry Foundations.