Crispy Grilled Steak Quesadillas
These crispy grilled steak quesadillas are packed with tender, seasoned steak, melted Monterey Jack cheese, and fresh cilantro, grilled to golden-brown perfection using a secret mayonnaise trick.
- Mayonnaise Coating: Mayonnaise has a higher smoke point than butter, ensuring an incredibly crispy, golden-brown exterior without burning.
- Single-Tortilla Fold: Folding a single tortilla in half creates a natural hinge that keeps the filling secure when flipping.
- Pre-Seared Steak: Cooking the steak separately allows you to slice it thinly against the grain so every bite is tender and clings to the cheese.
Last summer, I tried to flip a massive, overstuffed quesadilla on my rusty backyard grill, only to watch three cups of expensive ribeye slide directly through the grates into the coals.
I stood there in my flip-flops, tapping the tongs against my hip in silent defeat, smelling charred beef that I would never get to eat.
The problem is that most home cooks treat a quesadilla like a sandwich, piling cold meat and thick cheese between two flour tortillas and hoping for the best.
But when you do this on a hot grill, the cheese doesn't melt fast enough to bind the tortillas before the exterior burns.
My foolproof fix is simple: we use a single tortilla folded in half, pre-sear the steak to build a deep crust, and brush the outside with a thin layer of mayonnaise instead of butter.
Trust me on this one.
If you want to master the art of cooking beef before assembling this, check out our grilled steak recipe.
If you have leftover steak from making Garlic Butter Steak Bites, it works beautifully here.
If you love cheesy, folded tortillas as much as I do, you should also try these Jalapeno Popper Quesadillas.
Crispy Grilled Steak Quesadillas
Ingredients
- 1 lb flank steak or skirt steak
- 1 tbsp olive oil
- 1.5 tsp Diamond Crystal kosher salt (or 1 tsp Morton's kosher salt)
- 1 tsp freshly cracked black pepper
- 1 tsp garlic powder
- 4 large flour tortillas (burrito size)
- 2 cups shredded Monterey Jack cheese
- 1 cup shredded sharp cheddar cheese
- 1/4 cup mayonnaise
- 1/4 cup finely chopped fresh cilantro
Directions
- Preheat your grill or grill pan to medium-high heat (about 400°F).
- Pat the steak dry with paper towels, rub with olive oil, and season generously with Diamond Crystal kosher salt, black pepper, and garlic powder.
- Grill the steak for 4 to 5 minutes per side until a deep brown crust forms and the internal temperature reaches 130°F for medium-rare.
- Transfer the steak to a cutting board and let it rest for 10 minutes to allow the juices to redistribute.
- Slice the steak thinly against the grain, then rough-chop it into bite-sized pieces so it stays inside the quesadilla.
- Lay the tortillas flat and sprinkle cheese over one half of each tortilla, then top with the chopped steak and a sprinkle of fresh cilantro.
- Fold the empty half of the tortilla over the filling to create a half-moon shape, pressing down firmly to compact it.
- Brush the top outside surface of each quesadilla with a thin, even layer of mayonnaise.
- Place the quesadillas mayo-side down on the grill, brush the top side with mayo, and grill for 3 to 4 minutes per side until the cheese is completely melted and the tortilla is golden and crispy.
- Slice into wedges on a wooden board and serve immediately.
Notes
- Salt Conversion: This recipe specifies 1.5 teaspoons of Diamond Crystal kosher salt. If you are using Morton's kosher salt, reduce the amount to 1 teaspoon to avoid over-salting.
- The Mayonnaise Science: Mayonnaise is an emulsion of oil and egg yolk. When brushed on the tortilla, the egg proteins undergo the Maillard reaction, producing a more even, golden-brown crust than butter or oil alone.
- Workflow Warning: Do not walk away from the grill while cooking the quesadillas. The flour tortillas can go from perfectly golden to charred black in a matter of seconds.
- Storage Behavior: Leftover quesadillas will lose their crispness in the refrigerator as the moisture from the cheese and steak migrates into the tortilla. Always reheat them in a dry pan to restore the crunch.
Serving Suggestions
Serve these hot off the grill with a variety of fresh toppings and dips to balance the rich, savory steak and melted cheese.
- Serve these hot with a side of Homemade Salsa for the ultimate dipping experience.
- Fresh lime wedges for a bright squeeze of acidity over the hot steak.
- A bowl of cool sour cream or Mexican crema to balance the heat.
- Chunky guacamole to add a rich, buttery texture to every bite.
- Pickled red onions for a tangy, crunchy contrast.
Storage and Reheating
Let's be completely honest: quesadillas are always best eaten within ten minutes of leaving the grill.
If you do find yourself with leftovers, wrap them tightly in heavy-duty aluminum foil and store them in the refrigerator, where they will keep safely for up to three days.
Do not use the microwave.
Instead, place a dry cast-iron skillet over medium-low heat, lay the cold quesadilla in the pan, and heat it slowly for about four minutes per side until the cheese melts completely and the exterior regains its signature crunch.
Ingredient Substitutes
If you don't have all the ingredients on hand, these simple swaps will keep your dinner on track without sacrificing flavor.
- The Beef: If you can't find flank steak, skirt steak or flat iron steak are excellent alternatives that cook just as quickly.
- The Cheese: Monterey Jack is king for melting, but low-moisture mozzarella or mild provolone will give you that same epic cheese pull.
- The Fat: If the idea of using mayonnaise on the outside of your tortilla makes you squeamish, softened unsalted butter will work, though it burns slightly faster.
I hope these bring as much joy to your backyard table as they do to mine—minus the grill-grate tragedy, of course!
Susan Rosie
I've spent over 12 years perfecting recipes so you can cook with confidence. Every dish on Storied Skillet is tested multiple times – because your dinner matters. I believe in simple ingredients, clear instructions, and big flavors.
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