Transforming classic comfort food into a thrilling new experience, these Reuben Quesadillas offer a delightful twist on a beloved sandwich. Imagine succulent corned beef, tangy sauerkraut, creamy Swiss cheese, and the unmistakable flavor of Thousand Island dressing, all nestled between crispy, golden flour tortillas. This quick and easy recipe is not only a brilliant way to utilize leftover corned beef but also stands alone as a fantastic, satisfying meal for lunch or dinner any day of the week.
For those who adore the quintessential Reuben flavor profile, this quesadilla version joins a growing family of innovative culinary creations. Explore other Reuben-inspired delights like our savory Reuben Dip, perfect for entertaining, or the charming and delicious Reuben Pinwheels, ideal for appetizers.

Unleash the Flavor: Easy Corned Beef Quesadillas
When St. Patrick’s Day traditions call for a hearty corned beef and cabbage feast, you’ll inevitably find yourself with delicious leftovers. Instead of the same old sandwich, elevate your post-holiday meals with this ingenious Reuben Quesadilla recipe. It’s a game-changer that reinvents those familiar flavors into something truly exciting.
These quesadillas take everything you love about the classic Reuben and wrap it in a warm, crispy flour tortilla. Each bite is an explosion of savory corned beef, pungent sauerkraut, melty Swiss cheese, and the sweet-tangy notes of Thousand Island dressing, brightened by a hint of spicy mustard and finely diced dill pickles. While it’s perfect for transforming holiday leftovers, don’t limit yourself to once a year! You can easily pick up quality corned beef from your local deli counter, making this a quick and effortless meal to enjoy year-round. It’s an ideal choice for a busy weeknight dinner or a relaxed weekend lunch, promising big flavors with minimal fuss.
What Defines a Classic Reuben?
Before diving into our quesadilla rendition, let’s pay homage to its inspiration: the classic Reuben sandwich. At its heart, a Reuben is a beautifully balanced grilled sandwich featuring thinly sliced corned beef, Swiss cheese, and sauerkraut, all brought together by a generous slathering of Thousand Island (or sometimes Russian) dressing, traditionally served on rye bread. This iconic sandwich is a testament to the perfect harmony of salty, savory, tangy, and creamy elements. Its distinct flavor profile has earned it a place among America’s most beloved and frequently ordered sandwiches, often sparking debates about its true origin, whether in Omaha, Nebraska, or New York City.
The key to a truly exceptional Reuben lies in the quality and balance of its ingredients. The robust flavor of well-prepared corned beef, the sharp nuttiness of Swiss cheese, the zesty crunch of properly drained sauerkraut, and the rich, complex dressing create a symphony of tastes and textures that is truly irresistible. Our quesadilla interpretation captures this essence, presenting it in a format that’s both familiar and wonderfully fresh.

Essential Ingredients for Perfect Reuben Quesadillas
Crafting these delectable quesadillas requires a thoughtful selection of ingredients, mirroring the components of a classic Reuben while introducing a few complementary additions that enhance the overall experience. Each item plays a crucial role in achieving that signature flavor and satisfying texture.
- Butter: Unsalted butter is highly recommended. This allows you complete control over the saltiness of the dish, preventing it from becoming overly seasoned, especially since corned beef can already be quite salty. It’s essential for sautéing the onions and achieving that perfectly golden-brown, crispy tortilla.
- Onion: Finely diced and sautéed until tender, the onion adds a subtle sweetness and aromatic depth that complements the other strong flavors without overpowering them. It forms a foundational layer of flavor for the corned beef mixture.
- Salt & Pepper: Simple seasonings are key to bringing out the best in the corned beef and onions. A touch of kosher salt and freshly ground black pepper enhances their natural savory notes.
- Corned Beef: The star of the show! Whether you’re leveraging delicious leftovers from your slow cooker corned beef and cabbage or picking up freshly sliced, high-quality corned beef from the deli, its rich, savory character is indispensable. Opt for a good quality cut for the best flavor and texture.
- Thousand Island Dressing: This creamy, tangy dressing is non-negotiable for a true Reuben experience. Its unique blend of flavors ties everything together. While we highly recommend our homemade Thousand Island Dressing for unparalleled freshness, a good quality store-bought brand like Kraft works wonderfully for convenience.
- Spicy Brown Mustard: A fantastic addition that introduces a tangy, slightly spicy kick, elevating the flavor profile of the quesadilla. It provides a subtle warmth and cuts through the richness of the cheese and beef, adding another layer of complexity.
- Flour Tortillas: For these generous quesadillas, large, burrito-sized flour tortillas are essential. They provide the perfect canvas to hold all the delicious fillings and crisp up beautifully when cooked, offering a satisfying crunch.
- Dill Pickles: Finely diced dill pickles introduce a wonderful briny tang and a slight crunch that contrasts beautifully with the softer fillings. They add an acidic brightness that cuts through the richness and enhances the overall Reuben flavor.
- Sauerkraut: The signature tang of sauerkraut is vital. To prevent your quesadillas from becoming soggy, remember to thoroughly drain and squeeze out any excess moisture. This step is crucial for maintaining the desired texture and crispiness of the tortillas.
- Swiss Cheese: Its nutty, mild flavor and excellent melting properties make Swiss cheese the ideal choice. For the best melt and texture, it’s always recommended to shred your own block of Swiss cheese rather than using pre-packaged shredded varieties, which often contain anti-caking agents that hinder smooth melting.
Step-by-Step Guide: Crafting Your Reuben Quesadillas
These corned beef quesadillas are remarkably straightforward to prepare, coming together in mere minutes. They are perfect for a quick, satisfying lunch or a light, yet flavorful, weeknight dinner that doesn’t compromise on taste. Follow these simple steps for a truly delicious result.
- Prepare the Corned Beef and Onions: Begin by melting 1 tablespoon of butter in a large, shallow nonstick skillet over medium-high heat. Add the diced onion, season it with the specified amounts of salt and pepper, and cook, stirring occasionally, until the onion becomes tender and translucent, which typically takes about 4 minutes. Next, add the roughly chopped corned beef to the skillet. Continue to cook, stirring, until the corned beef is browned and thoroughly heated through, approximately 2 to 3 minutes. Once cooked, transfer the onion and corned beef mixture to a separate bowl and set aside. Wipe the skillet clean with a paper towel, preparing it for the next step.
- Assemble the Quesadillas: Lay the four large flour tortillas flat on a clean work surface. On each tortilla, spread 1 and a half teaspoons of Thousand Island dressing evenly over one half. On the other half of each tortilla, spread 1 teaspoon of spicy brown mustard. Now, divide the prepared onion and corned beef mixture, the finely diced dill pickles, the drained sauerkraut, and the shredded Swiss cheese evenly among the four tortillas, placing all these fillings exclusively on the side with the Thousand Island dressing. Carefully fold the other half of the tortilla (the side with the mustard) over the filling, creating a perfect half-moon shape.
- Cook the Quesadillas to Golden Perfection: Heat the remaining 1/2 tablespoon of butter in the same large nonstick skillet over medium heat. Once the butter is melted and shimmering, carefully place two of the folded quesadillas into the skillet. Reduce the heat to medium-low to prevent burning and allow the tortillas to cook slowly until they achieve a beautiful golden-brown color and a satisfying crispness, which should take about 3 minutes per side. Once cooked, remove them from the skillet and place them on a cutting board. Repeat this process with the remaining 1/2 tablespoon of butter and the last two quesadillas.
- Serve and Enjoy: Once all the quesadillas are cooked, transfer them to a cutting board. Using a sharp knife, carefully slice each quesadilla into three equal wedges. Arrange them attractively on plates and serve immediately. For an authentic Reuben experience, present them alongside crisp dill pickle spears and a small bowl of the remaining Thousand Island dressing for dipping. This completes a truly delicious and satisfying meal!

Expert Tips for Reuben Quesadilla Success
Achieving the perfect Reuben quesadilla is simple when you keep a few key tips in mind. These suggestions will help ensure your quesadillas are crispy, flavorful, and perfectly balanced every time.
- Embrace Leftover Corned Beef: This recipe truly shines when you use leftover corned beef. It’s already cooked and seasoned, saving you time and effort. This is precisely why these quesadillas are a brilliant post-St. Patrick’s Day lunch or dinner, making the most of your holiday feast.
- Thoroughly Drain All Wet Ingredients: Moisture is the enemy of a crispy quesadilla. It is absolutely crucial to drain and squeeze out all excess liquid from the sauerkraut. Similarly, be careful not to add any extra pickle juice. Lingering moisture will make your tortillas soggy, detracting from the desired crispy texture.
- Avoid Overstuffing the Quesadillas: While it might be tempting to pile on the fillings, resist the urge to overstuff. An overly full quesadilla will be difficult to fold, hard to cook evenly, and more prone to ingredients spilling out. Aim to spread the ingredients thinly and evenly across one half of the tortilla, leaving enough room to fold it neatly into a half-moon shape.
- Opt for Freshly Shredded Swiss Cheese: Pre-packaged shredded cheeses often contain anti-caking agents that can prevent them from melting as smoothly and evenly as freshly grated cheese. For the best gooey, melty texture, take the extra minute to shred a block of Swiss cheese yourself. The difference in melt factor is significant.
- Mind the Heat: When cooking the quesadillas, maintain a medium-low heat. This allows the tortillas to crisp up and turn golden brown without burning, while also giving the cheese ample time to melt completely and the fillings to heat through. If the heat is too high, the tortillas will brown too quickly, leaving the cheese unmelted.
- Consider Flavor Variations: Feel free to experiment with different types of mustards or even a touch of caraway seeds (a classic Reuben flavor) mixed into the corned beef for an extra layer of authenticity. Some might also enjoy a dash of hot sauce if they prefer more heat.

Perfect Pairings: Serving Suggestions
These Reuben quesadillas are incredibly flavorful and satisfying on their own, but a few thoughtful accompaniments can elevate them into a complete and truly memorable meal. The key is to complement their rich, savory, and tangy profile.
My absolute favorite way to serve these corned beef quesadillas is with a generous side of Thousand Island Dressing for dipping, providing an extra burst of creamy, tangy goodness with every bite. Pairing them with crisp dill pickle spears is also essential, as their briny crunch offers a refreshing contrast to the richness of the fillings. This combination creates the perfect balance of flavors and textures, making for a quick yet incredibly satisfying lunch or dinner.
If you’re looking to transform this into a heartier meal, consider adding some classic sides. A simple bowl of potato chips provides a delightful, salty crunch, while a serving of crispy French fries makes for a more substantial and indulgent accompaniment. For a lighter touch, a fresh green salad with a simple vinaigrette would also be an excellent choice, offering a fresh counterpoint to the rich quesadillas.
Storage & Reheating Tips for Leftovers
While quesadillas are undeniably at their best when served fresh off the skillet, you might find yourself with a few leftovers. If so, proper storage and reheating can help maintain their quality, though it’s important to note that the tortillas may lose some of their initial crispness.
To store leftover Reuben quesadillas, allow them to cool completely to room temperature. Then, place them in an airtight container or a ziplock bag and refrigerate for up to 1-2 days. Be aware that the moisture from the filling (particularly the sauerkraut and dressing) may begin to seep into the tortillas over time, causing them to soften. This is normal but can be largely remedied during reheating.
For the best reheating results, avoid the microwave if you want to restore some crispness. Instead, reheat the quesadillas in a dry skillet over medium-low heat. Cook for a few minutes on each side, until the cheese has re-melted and the tortilla has crisped up again. You can also use a toaster oven or air fryer for an even crispier outcome, heating until warmed through and golden. Enjoying them quickly after preparation is always ideal for maximum crispness and flavor.
Explore More Corned Beef Creations:
If you’re a fan of corned beef, there’s a world of delicious possibilities beyond the classic sandwich. Here are some more inspiring recipes that creatively feature this flavorful meat:
- Hot Reuben Dip: A warm, cheesy, and incredibly addictive dip that brings all the classic Reuben flavors to your appetizer spread.
- Corned Beef Hash: The ultimate breakfast or brunch dish, combining savory corned beef with potatoes and onions, often topped with a fried egg.
- Slow Cooker Corned Beef & Cabbage: The traditional, comforting meal that often provides the delicious leftovers for these quesadillas.
- Reuben Pinwheels: Elegant and easy-to-make appetizers featuring the classic Reuben ingredients rolled into bite-sized spirals.
- Reuben Pretzel Sliders: A fun and miniature version of the Reuben, served on soft pretzel buns, perfect for parties or game day.
We truly hope you enjoy this delicious and incredibly easy Reuben Quesadilla recipe! If you give it a try, please consider leaving a review below. Your feedback helps us and other home cooks discover new favorites. Don’t forget to follow Belly Full on TikTok, Facebook, Instagram, Pinterest, and YouTube for more delightful recipes and cooking inspiration!
Reuben Quesadillas
These Reuben Quesadillas are loaded with corned beef, sauerkraut, Swiss cheese, and Thousand Island Dressing. A quick recipe for leftover corned beef that makes an easy lunch or dinner.
Prep Time: 15 mins
Cook Time: 6 mins
Total Time: 21 mins
Servings: 4 servings

Ingredients
- 2 tablespoons unsalted butter
- 1 small onion, diced
- 1/2 teaspoons kosher salt
- 1/2 teaspoon pepper
- 4 ounces thick-sliced corned beef, (about 1/4-inch thick), roughly chopped
- 3/4 cup Thousand Island Dressing, divided
- 4 teaspoons spicy brown mustard
- 4 large (burrito size) flour tortillas
- 1/4 cup very finely diced dill pickle, (from about 1/2 a pickle)
- 1/2 pound sauerkraut, drained and excess moisture squeezed out
- 6 ounces shredded Swiss cheese
Instructions
- Heat 1 tablespoon butter in a large shallow nonstick skillet over medium-high heat. Add the onion, season with the salt and pepper and cook, stirring, until tender, about 4 minutes. Add the corned beef and cook until browned and heated through, 2 to 3 minutes. Transfer the onion and corned beef to a bowl. Wipe out the skillet with a paper towel.
- Lay the 4 tortillas on a work surface. Spread 1 & 1/2 teaspoons of the dressing in a thin layer over one half and spread 1 teaspoon mustard over the other half. Divide the onion and corned beef mixture, diced dill pickles, sauerkraut, and cheese among the tortillas on the side with the dressing; then fold the other half over (with the mustard) so you have a half moon.
- Heat 1/2 tablespoon butter in a large nonstick skillet over medium heat. Add 2 folded quesadillas, then reduce the heat to medium-low and cook until golden brown and crisp, about 3 minutes per side. Remove to a cutting board. Repeat with the remaining 1/2 tablespoon butter and 2 quesadillas.
- Slice the quesadillas into 3 wedges each. Serve with dill pickle spears and place the remaining dressing in a little bowl for dipping.
Nutrition
Calories: 565kcal | Carbohydrates: 27g | Protein: 20g | Fat: 42g | Saturated Fat: 16g | Polyunsaturated Fat: 10g | Monounsaturated Fat: 11g | Trans Fat: 0.2g | Cholesterol: 82mg | Sodium: 1490mg | Potassium: 347mg | Fiber: 4g | Sugar: 10g | Vitamin A: 659IU | Vitamin C: 17mg | Calcium: 464mg | Iron: 3mg
Nutritional information given is an automatic calculation and can vary based on the exact products you use and any changes you make to the recipe. If these numbers are very important to you, I would recommend calculating them yourself.