Cheesy Griddled Smashburger Quesadillas

Featured in: Weeknight Dinners

Crispy flour tortillas envelop ultra-thin smashed beef patties seasoned with garlic, salt, and pepper, then layered with sharp cheddar and American cheese. Sweet golden onions add depth while a zesty mayo-mustard sauce provides the perfect tangy finish. The smash technique creates those signature crispy edges and juicy centers that make every bite irresistible. Ready in under an hour, this hearty dish serves four and delivers the satisfying crunch of a griddled quesadilla with all the bold flavors of a classic American burger.

Updated on Sun, 01 Feb 2026 11:12:00 GMT
Golden-brown Cheesy Griddled Smashburger Quesadillas sliced into wedges, revealing melted cheddar and American cheese over thin patties and onions. Save
Golden-brown Cheesy Griddled Smashburger Quesadillas sliced into wedges, revealing melted cheddar and American cheese over thin patties and onions. | milestonepan.com

My brother showed up one Saturday with a griddle pan and a wild idea: what if we turned smashburgers into quesadillas? I was skeptical until the first one hit the pan and the smell of caramelized beef and melted cheese filled the kitchen. We stood there, flipping tortillas and arguing about whether to add pickles inside or on the side. By the time we sat down with wedges piled on a plate, we both knew we'd stumbled onto something dangerously good.

I made these for a small get-together last spring, and people ate them standing up in the kitchen, reaching for seconds before I could even plate the first batch. The combination of paper-thin patties and gooey cheese pressed between golden tortillas had everyone talking. One friend called it the best thing I'd ever griddled, and honestly, I didn't argue.

Ingredients

  • Ground beef (80/20 blend): The fat ratio is key here; it keeps the patties juicy and gives you those crispy, lacy edges when you smash them down hard on the griddle.
  • Kosher salt: Season the meat just enough to bring out its richness without overpowering the cheese and sauce.
  • Black pepper: Freshly ground adds a gentle heat that wakes up every bite.
  • Garlic powder: A subtle savory boost that blends into the meat without announcing itself.
  • Flour tortillas: Choose large, pliable ones that can hold the filling and crisp up beautifully without cracking.
  • Sharp cheddar cheese: Its tangy bite balances the richness of the beef and the creaminess of the American cheese.
  • American cheese: Melts like a dream and adds that classic cheeseburger goo.
  • Yellow onion: Thinly sliced and caramelized until sweet and golden, it adds depth and a hint of sweetness.
  • Vegetable oil: Keeps the onions from sticking and helps the patties develop a crust.
  • Unsalted butter: Brushed on the tortillas, it turns them golden and crisp with a delicate richness.
  • Mayonnaise: The creamy base of the sauce that holds everything together.
  • Dijon mustard: Adds a sharp, tangy punch that cuts through the richness.
  • Worcestershire sauce: A few drops bring umami depth and a hint of sweetness.

Instructions

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Season the Beef:
In a medium bowl, gently mix ground beef with salt, pepper, and garlic powder until just combined. Overworking the meat makes it dense, so keep it light and loose.
Heat the Griddle:
Preheat a flat griddle or heavy skillet over medium-high heat, then add 1 tablespoon vegetable oil and spread it across the surface. You want it hot enough to sizzle immediately.
Cook the Onions:
Add the sliced onion to one side of the griddle and cook, stirring occasionally, until golden and softened, about 5 minutes. Transfer to a plate and set aside.
Form the Patties:
Divide beef mixture into 8 equal portions and roll each into a loose ball. Keep them gentle and round.
Smash and Sear:
Place 4 beef balls onto the hot griddle, spacing them evenly, then immediately press each one flat with a heavy spatula or burger press to form thin patties about 4 inches across. Let them cook undisturbed until edges are deeply browned and juices bubble up, about 2 minutes.
Flip and Melt:
Season tops with a pinch of salt and pepper, then flip the patties. Immediately top each with 1 slice of cheddar and 1 slice of American cheese, cooking until cheese is melted and edges are crisp, about 1 minute more.
Prep the Tortillas:
Wipe the griddle clean and reduce heat to medium. Brush both sides of each tortilla lightly with melted butter.
Assemble the Quesadillas:
Place a tortilla on the griddle, layer 2 cheesy patties side by side, sprinkle with some cooked onions, and drizzle with the sauce (whisk mayonnaise, Dijon mustard, and Worcestershire together). Top with a second tortilla.
Griddle Until Golden:
Cook until the bottom tortilla is golden and crisp, about 2 minutes, pressing gently with a spatula. Flip and cook the other side until golden, about 2 minutes more.
Rest and Slice:
Transfer quesadilla to a cutting board and let rest for 1 minute, then slice into wedges with a sharp knife or pizza cutter. Repeat with remaining ingredients to make 2 large quesadillas in total.
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Steam rises from a freshly cut Cheesy Griddled Smashburger Quesadilla, highlighting the crisp tortilla and juicy smashburger interior. Save
Steam rises from a freshly cut Cheesy Griddled Smashburger Quesadilla, highlighting the crisp tortilla and juicy smashburger interior. | milestonepan.com

The first time I cut into one of these, the cheese stretched in long, gooey threads and the smell of beef and toasted tortilla made everyone lean in closer. It wasn't just dinner; it was the kind of meal that makes people linger at the table, reaching for one more wedge and talking until the pan cooled. That's when I knew this recipe had earned a permanent spot in my rotation.

Choosing Your Beef

I've tried leaner blends, and they just don't deliver the same crispy crust or juicy bite. The 80/20 ratio gives you enough fat to render out and create those lacy, caramelized edges that make smashburgers so addictive. Don't be tempted to press out the fat during cooking; that's where all the flavor lives. If you can find freshly ground beef from a butcher, even better—it makes a noticeable difference in texture and taste.

Getting the Griddle Right

A flat griddle or cast-iron skillet is your best friend here. The wide, even surface lets you smash the patties properly and gives you room to work without crowding. I learned the hard way that a nonstick pan doesn't get hot enough to create that deep, dark crust. Medium-high heat is the sweet spot: hot enough to sear fast, but not so hot that the tortillas burn before the insides warm through. Wipe the griddle clean between batches to avoid bitter burnt bits.

Customizing Your Quesadilla

This recipe is a template, not a rulebook. Swap sharp cheddar for pepper jack if you want heat, or add sliced jalapeños with the onions for a spicy kick. I've tucked pickles inside the quesadilla instead of serving them on the side, and the tangy crunch was a revelation. Some nights I add a handful of shredded lettuce right before folding, which sounds weird but adds a fresh contrast to all that richness.

  • Try mixing the sauce with a little sriracha or hot sauce for extra punch
  • Sprinkle sesame seeds on the buttered tortillas before griddling for a fun twist
  • Serve with a side of crispy fries or a simple green salad to balance the richness
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A close-up of a Cheesy Griddled Smashburger Quesadilla on a griddle, featuring a punchy mayo-mustard sauce drizzle and golden crust. Save
A close-up of a Cheesy Griddled Smashburger Quesadilla on a griddle, featuring a punchy mayo-mustard sauce drizzle and golden crust. | milestonepan.com

Every time I make these, someone asks for the recipe, and I'm always happy to share. There's something about the way crispy beef, melted cheese, and golden tortillas come together that just feels right.

Recipe FAQs

What makes these different from regular quesadillas?

The smashed burger technique creates thin, crispy-edged patties with maximum surface area for browning. Combined with the dual-cheese blend and caramelized onions inside griddled tortillas, you get the best of both worlds—burger flavors with quesadilla texture.

Can I use ground turkey or chicken instead?

While possible, beef's higher fat content (80/20 blend) is crucial for both the crispy crust and juicy interior. Leaner meats won't develop the same texture or flavor. If substituting, add extra oil to prevent drying.

Why press the patties so thin?

Thin patties cook quickly and develop more crispy edges (the bark). This creates more surface area for seasoning and cheese adhesion while ensuring the meat cooks through before the tortillas burn.

What's the best way to reheat leftovers?

Skip the microwave— it makes tortillas soggy. Reheat in a dry skillet over medium heat for 2-3 minutes per side to restore crispiness. Alternatively, bake at 350°F until heated through, about 10 minutes.

Can I make these spicy?

Absolutely. Swap sharp cheddar for pepper jack, add sliced jalapeños with the onions, or mix cayenne into the beef seasoning. A splash of hot sauce in the mayo-mustard sauce also adds excellent heat.

Do I need a griddle, or will a skillet work?

A large cast-iron skillet or heavy nonstick pan works perfectly. The key is having enough surface space to cook multiple patties simultaneously and fit a full tortilla. A griddle's flat surface offers the most room.

Cheesy Griddled Smashburger Quesadillas

Crispy tortillas filled with smashed beef patties, melted cheese blend, caramelized onions, and tangy mayo-mustard sauce for ultimate comfort food.

Prep Time
15 min
Time to Cook
40 min
Time Needed
55 min
Created by Caleb Barnes


Skill Level Medium

Cuisine American

Servings Yielded 4 Number of Servings

Special Diets None specified

What You'll Need

Smashburger Patties

01 1 pound ground beef (80/20 blend)
02 1 teaspoon kosher salt
03 0.5 teaspoon freshly ground black pepper
04 1 teaspoon garlic powder

Quesadillas

01 4 large flour tortillas (8-10 inches each)
02 8 slices sharp cheddar cheese
03 4 slices American cheese
04 1 small yellow onion, thinly sliced
05 2 tablespoons vegetable oil, divided
06 2 tablespoons unsalted butter, melted

Sauce

01 2 tablespoons mayonnaise
02 1 tablespoon Dijon mustard
03 1 teaspoon Worcestershire sauce

Optional Garnishes

01 Sliced pickles
02 Chopped fresh cilantro
03 Salsa
04 Sour cream

How To Make

Step 01

Prepare beef mixture: In a medium bowl, gently mix ground beef with salt, pepper, and garlic powder until just combined, avoiding overworking the meat.

Step 02

Heat griddle and cook onions: Preheat a flat griddle or heavy skillet over medium-high heat. Add 1 tablespoon vegetable oil and spread to coat the surface. Add sliced onion to one side and cook, stirring occasionally, until golden and softened, about 5 minutes. Transfer to a plate.

Step 03

Form and smash beef patties: Divide beef mixture into 8 equal portions and roll each into a loose ball. Place 4 beef balls onto the hot griddle, spacing them evenly. Immediately press each one flat with a heavy spatula or burger press to form thin patties about 4 inches across.

Step 04

Cook patties and add cheese: Cook patties undisturbed until edges are deeply browned and juices bubble up, about 2 minutes. Season tops with a pinch of salt and pepper. Flip patties, then immediately top each with 1 slice of cheddar and 1 slice of American cheese. Cook until cheese is melted and edges are crisp, about 1 minute more. Transfer to a plate.

Step 05

Prepare sauce: Whisk together mayonnaise, Dijon mustard, and Worcestershire sauce in a small bowl until well combined.

Step 06

Assemble first quesadilla: Wipe the griddle clean and reduce heat to medium. Brush both sides of each tortilla lightly with melted butter. Place a tortilla on the griddle. Layer 2 cheesy patties side by side, sprinkle with cooked onions, and drizzle with sauce. Top with a second tortilla.

Step 07

Cook first quesadilla: Cook until the bottom tortilla is golden and crisp, about 2 minutes, pressing gently with a spatula. Flip and cook the other side until golden, about 2 minutes more.

Step 08

Rest and slice: Transfer quesadilla to a cutting board and let rest for 1 minute. Slice into wedges with a sharp knife or pizza cutter.

Step 09

Complete remaining quesadillas: Repeat assembly and cooking process with remaining ingredients to make 2 large quesadillas in total. Serve hot with pickles, cilantro, salsa, or sour cream as desired.

Tools Needed

  • Medium mixing bowl
  • Flat griddle or heavy skillet
  • Spatula or burger press
  • Sharp knife or pizza cutter
  • Small whisk or fork

Allergen Details

Review each ingredient for allergens and speak with your healthcare provider if you have questions.
  • Contains wheat (flour tortillas)
  • Contains milk (cheese and butter)
  • Contains eggs (mayonnaise)
  • May contain soy (Worcestershire sauce - check labels)
  • Contains beef

Nutrition (per serving)

For informational use only. Always consult with a health professional if needed.
  • Calorie Count: 1200
  • Fats: 75 g
  • Carbohydrates: 62 g
  • Proteins: 54 g