The Guide to Corn Tortillas (Part 1): Keep Them Fresh, Soft, and Perfect Every Time.

Few ingredients capture the soul of Mexican cooking quite like the corn tortilla. We know that very well here at Casa Bonita, where we work really hard to bring Canadians the best tortillas in the market. That said, we know that tortillas are a new component or ingredient for many home cooks that might struggle with the same frustrating problems: tortillas that crack when folded, turn stiff within hours, or finding the best way to store them before the package is half-empty.

The good news? We want to offer a few tips on a two-part guide for our consumers. Understanding why corn tortillas behave the way they do—and how temperature, moisture, and storage affect their texture—transforms taco night from a crumbly disappointment into something genuinely satisfying.

The first part of this guide addresses a topic home cooks wonder most frequently about corn tortillas. So let’s begin.

Reheating Corn Tortillas And How Not To Ruin Them

Cold corn tortillas crack. Stale corn tortillas crumble. The solution isn’t complicated, but it does require steam.

The Dry Skillet Method (Best for Everyday Use & Our First Choice)

This is our preferred method at home, and we have share a video and very easy to follow instructions before. You can find this method on how to properly heat up tortillas right here.

A cast-iron skillet or comal produces the closest approximation to a street taco. Heat the pan over medium-high until a drop of water sizzles on contact. Place a single tortilla directly on the dry surface—no oil—and heat for 10 to 20 seconds per side, or until light brown spots appear and the tortilla becomes pliable.

The direct heat regelatinizes the corn starch while adding subtle char marks that deepen flavour. For slightly stale tortillas, brush each side with a thin layer of water before heating. The moisture steams into the interior, reversing some of the retrogradation damage.

Stack finished tortillas inside a folded kitchen towel or tortilla warmer immediately. The residual heat continues steaming them together, keeping the entire batch soft for 15 to 20 minutes.

The Damp Towel Microwave Method (Fastest Option)

When speed matters more than perfection, wrap five or six tortillas in a clean, paper towel (slightly damp) and microwave on the high setting for 30 to 40 seconds. The water in the towel creates steam that penetrates the tortillas without making them soggy.

This approach works particularly well for corn tortillas that have dried out in storage. The steam replaces moisture that escaped during retrogradation, restoring some of their original pliability.

The Steamer Method (Best for Reviving Stale Tortillas)

For corn tortillas that have genuinely dried out, steaming offers the most thorough restoration. Set up a steamer basket over simmering water, wrap tortillas loosely in a clean cloth, and steam for one to two minutes.

The gentle, even moisture distribution rehydrates the starch throughout, rather than just softening the surface. Restaurant kitchens often use this technique to rescue tortillas.

The Open Flame Method (Most Traditional)

If you cook with gas, there’s something deeply satisfying about heating corn tortillas directly over the burner. Using tongs, hold the tortilla about an inch above a low flame for 20 to 40 seconds max per side, flipping when you see slight charring.

The flame produces a distinctive toasted aroma and creates small blistered spots without drying out the interior. Mexican cooks have heated tortillas this way for generations, and the flavour difference is noticeable.

In the second part of this guide, we will dive into keeping tortillas soft and storing them to maintain freshness. Stay tuned, the second part of this guide is coming in the next few days. We will update our blog soon. In the meantime, if you learn more about tortillas in general, check our 101 guide on corn tortillas.