Cheesy Griddled Smashburger Quesadillas

Featured in: Weeknight Dinners

These quesadillas transform the classic smashburger into a handheld delight. Paper-thin beef patties are seared until deeply caramelized, then layered with sharp cheddar and American cheese inside buttery tortillas. Sweet onions add natural sweetness, while the homemade mayo-mustard sauce delivers a tangy kick that cuts through the rich beef and cheese. The result combines the crispy, juicy edges of smashburgers with the satisfying crunch of griddled quesadillas.

Updated on Sun, 01 Feb 2026 13:35:00 GMT
Golden-brown Cheesy Griddled Smashburger Quesadillas slice on a plate, revealing melted cheddar and American cheese layers with savory beef. Pin It
Golden-brown Cheesy Griddled Smashburger Quesadillas slice on a plate, revealing melted cheddar and American cheese layers with savory beef. | metroladle.com

One Friday night, I ran out of burger buns just as friends were arriving. I stared at the tortillas on the counter and thought, why not turn this into something entirely different? The result was so good that now I skip the buns on purpose. These quesadillas have become my go-to when I want all the satisfaction of a smashburger but with that irresistible crunch of golden, buttery tortilla. Every bite is messy, cheesy, and completely worth it.

I made these for a group of skeptical teenagers once, and they devoured them in silence before asking if I could make more. There is something about the contrast between the juicy beef, sweet onions, and that tangy sauce that just works. It is comfort food that feels a little bit fancy, even though it comes together in under an hour. Now, whenever someone asks what is for dinner, this is my secret weapon.

Ingredients

  • Ground beef (80/20 blend): The fat content is crucial here because it keeps the patties juicy and creates those crispy, caramelized edges when you smash them flat.
  • Kosher salt: Season generously, the thin patties need bold flavor to stand up to all that cheese and sauce.
  • Black pepper: Freshly ground makes a noticeable difference, adding a subtle heat that wakes up the beef.
  • Garlic powder: A little goes a long way, lending a savory depth without overpowering the meat.
  • Flour tortillas: Use the largest you can find so they can hold two full patties without tearing.
  • Sharp cheddar cheese: This brings a tangy bite that balances the richness of the American cheese.
  • American cheese: It melts like a dream and gives that classic cheeseburger gooeyness.
  • Yellow onion: Slice it thin so it softens quickly and caramelizes just enough to add sweetness.
  • Vegetable oil: High smoke point means you can crank the heat without burning.
  • Unsalted butter: Brushing this on the tortillas creates that golden, crispy shell.
  • Mayonnaise: The base of the sauce, it adds creaminess and a slight tang.
  • Dijon mustard: Sharpness here cuts through the richness and ties everything together.
  • Worcestershire sauce: Just a teaspoon gives the sauce a savory, umami boost.

Instructions

Product image
Handle kitchen cleanup easily by disposing of food scraps, packaging, and cooking waste without leaks or odors.
Check price on Amazon
Mix the Beef:
In a medium bowl, gently combine the ground beef with salt, pepper, and garlic powder. Handle it as little as possible to keep the patties tender instead of tough.
Preheat the Griddle:
Set your griddle or heavy skillet over medium-high heat and add 1 tablespoon of vegetable oil. You want it hot enough that a drop of water sizzles instantly.
Cook the Onions:
Toss the sliced onions onto one side of the griddle and stir occasionally until they turn golden and sweet, about 5 minutes. Move them to a plate and set aside.
Form the Patties:
Divide the beef into 8 equal portions and roll each into a loose ball. Do not pack them tightly, you want them to smash easily.
Smash and Sear:
Place 4 beef balls on the hot griddle, spacing them apart, and immediately press each one flat with a heavy spatula or burger press until they are about 4 inches across. Let them cook undisturbed for 2 minutes until the edges are deeply browned and crispy.
Flip and Cheese:
Season the 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 the cheese melts and the edges are crisp, about 1 minute more.
Prepare the Tortillas:
Wipe the griddle clean, reduce the heat to medium, and brush both sides of each tortilla lightly with melted butter. This is the secret to that golden, crispy shell.
Assemble the Quesadillas:
Place a tortilla on the griddle, layer 2 cheesy patties side by side, sprinkle with cooked onions, and drizzle with the sauce (whisk together mayonnaise, Dijon mustard, and Worcestershire). 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 the quesadilla to a cutting board and let it rest for 1 minute so the cheese sets slightly. Slice into wedges with a sharp knife or pizza cutter.
Repeat and Serve:
Make the remaining quesadillas with the leftover ingredients. Serve hot with pickles, cilantro, salsa, or sour cream on the side.
Product image
Handle kitchen cleanup easily by disposing of food scraps, packaging, and cooking waste without leaks or odors.
Check price on Amazon
A close-up view of a Cheesy Griddled Smashburger Quesadilla wedge, showcasing crisp tortilla edges and juicy smashburger patties drizzled with mustard sauce. Pin It
A close-up view of a Cheesy Griddled Smashburger Quesadilla wedge, showcasing crisp tortilla edges and juicy smashburger patties drizzled with mustard sauce. | metroladle.com

The first time I served these at a backyard gathering, people kept asking what the secret was. There is no secret, just good beef, high heat, and a little creativity. It is one of those recipes that makes you feel like a genius in the kitchen, even though it is just smart layering and timing. Now, it is the dish I make when I want to impress without stressing.

Choosing Your Beef

The 80/20 blend is non-negotiable if you want juicy, flavorful patties. Leaner beef will dry out under high heat and will not crisp up the same way. I learned this the hard way with a batch of 90/10 that tasted more like cardboard than burger. Trust the fat, it is what makes the magic happen. If you can, buy freshly ground beef from a butcher for even better texture and flavor.

Griddle vs. Skillet

A flat griddle is ideal because it gives you more space to smash multiple patties at once. If you only have a skillet, work in batches and keep the finished patties warm in a low oven. I have done it both ways, and while the griddle is faster, a heavy cast-iron skillet gets the job done just as well. Just make sure whatever you use is screaming hot before the beef hits the surface.

Storing and Reheating

Leftovers can be wrapped in foil and refrigerated for up to 2 days. When you are ready to eat, reheat them in a dry skillet over medium heat, flipping once, until both sides are crispy again. Microwaving will make the tortilla soggy, so avoid it if you can. I have also frozen assembled quesadillas before griddling, then cooked them straight from frozen, adding a few extra minutes per side.

  • Wrap tightly in foil to prevent the tortillas from drying out in the fridge.
  • Reheat in a skillet, not the microwave, to restore the crispy texture.
  • Frozen quesadillas can go straight onto the griddle, just cook them a bit longer and watch for burning.
Product image
Toast bread, bagels, and sourdough evenly for breakfast, sandwiches, and quick meal prep.
Check price on Amazon
Freshly cut wedges of Cheesy Griddled Smashburger Quesadillas served on a rustic board, garnished with sliced pickles and sweet grilled onions. Pin It
Freshly cut wedges of Cheesy Griddled Smashburger Quesadillas served on a rustic board, garnished with sliced pickles and sweet grilled onions. | metroladle.com

These quesadillas have become my answer to weeknight cravings and weekend gatherings alike. They are messy, indulgent, and completely satisfying in a way that feels both familiar and new.

Recipe FAQs

What makes these different from regular quesadillas?

The smashburger technique creates ultra-thin patties with crispy, lacy edges while keeping the interior juicy. Combined with double cheese and caramelized onions, you get maximum beef flavor in every bite.

Can I use ground turkey instead of beef?

Ground turkey works but has less fat. Add extra oil or butter when cooking to prevent drying. The flavor will be milder, so consider additional seasonings like onion powder or smoked paprika.

Why press the beef balls immediately?

Immediate pressing creates maximum surface contact with the hot griddle, developing that signature crispy browned crust. Waiting allows the meat to cool slightly, reducing crust formation.

What's the best way to reheat leftovers?

Reheat in a dry skillet over medium heat for 2-3 minutes per side. This restores the crispy tortilla texture while melting the cheese again. Avoid microwaving as it makes the tortilla soggy.

Can I make the sauce ahead?

Yes, whisk together the mayonnaise, Dijon, and Worcestershire and store in an airtight container in the refrigerator for up to 1 week. The flavors actually improve after resting overnight.

What cheese combinations work best?

Sharp cheddar provides bold flavor, while American cheese ensures meltability. For variation, try pepper jack for heat, gruyere for nuttiness, or Monterey jack for mild creaminess.

Cheesy Griddled Smashburger Quesadillas

Crispy tortilla layered with thin smashed beef patties, melted cheddar and American cheese, sweet onions, and zesty mayo-mustard sauce.

Prep Time
15 minutes
Cook Duration
40 minutes
Total Duration
55 minutes


Skill Level Medium

Cuisine Type American

Output 4 Portions

Diet Details None specified

What You 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 It

Step 01

Prepare Beef Mixture: In a medium bowl, gently combine ground beef with kosher salt, freshly ground black pepper, and garlic powder until just incorporated; avoid 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 coat the surface evenly. Add sliced onion to one side of the griddle, stirring occasionally, until golden and softened, approximately 5 minutes. Transfer to a plate.

Step 03

Form Beef Patties: Divide beef mixture into 8 equal portions and roll each into a loose ball.

Step 04

Smash and Cook First Side: Place 4 beef balls onto the hot griddle, spacing evenly. Immediately press each flat with a heavy spatula or burger press to form thin patties approximately 4 inches across. Cook undisturbed until edges are deeply browned and juices bubble up, about 2 minutes. Season tops lightly with salt and pepper.

Step 05

Top with Cheese: Flip patties, then immediately top each with 1 slice of sharp cheddar and 1 slice of American cheese. Cook until cheese melts and edges are crisp, approximately 1 minute. Transfer patties to a plate.

Step 06

Prepare Griddle for Quesadillas: Wipe the griddle clean and reduce heat to medium. Brush both sides of each flour tortilla lightly with melted unsalted butter.

Step 07

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

Step 08

Assemble Quesadillas: Place a tortilla on the griddle. Layer 2 cheesy patties side by side, sprinkle with cooked onions, and drizzle with prepared sauce. Top with a second tortilla.

Step 09

Griddle First Side: Cook until the bottom tortilla is golden and crisp, approximately 2 minutes, pressing gently with a spatula.

Step 10

Griddle Second Side: Flip the quesadilla and cook the other side until golden and crisp, approximately 2 minutes.

Step 11

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

Step 12

Complete Remaining Quesadillas: Repeat the assembly and cooking process with remaining ingredients to make 2 large quesadillas total. Serve hot with optional garnishes including 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

Allergy Advice

Review each item for allergens. If you're unsure, speak with a medical expert.
  • Contains wheat from flour tortillas
  • Contains milk from cheese and butter
  • Contains eggs in mayonnaise
  • May contain soy from Worcestershire sauce; verify ingredient labels
  • Contains beef

Nutritional Info (per portion)

Treat these details as a guide—they're not a substitute for professional medical advice.
  • Energy: 1200
  • Fats: 75 g
  • Carbohydrates: 62 g
  • Proteins: 54 g