Crock Pot Reuben Brats offer a delightful fusion of classic German-American bratwurst tradition with the beloved flavors of a Reuben sandwich. This recipe transforms ordinary bratwurst into an extraordinary culinary experience by slow-cooking them to tender perfection alongside a medley of sauerkraut, savory beer, and sweet onions. The final touch? Nestling these flavorful brats into toasted buns, generously layering them with gooey, melted Swiss cheese, and crowning them with a rich, creamy homemade Thousand Island dressing. Whether you’re planning a lively game day get-together, hosting a casual backyard BBQ, or simply seeking an effortlessly delicious family meal, these slow-cooked Reuben Brats are guaranteed to impress and satisfy everyone at the table.

Imagine succulent bratwurst, infused with rich flavors after simmering for hours in a savory blend. The magic truly begins when these perfectly cooked brats meet the sharp, briny kick of sauerkraut, the sweet notes of caramelized onions, and the malty undertones of beer. But the true masterpiece unfolds with the addition of gooey, melted Swiss cheese and a generous drizzle of our signature homemade Thousand Island dressing. This combination creates a harmonious blend of textures and tastes that evokes the comforting familiarity of a Reuben sandwich in a fun, handheld format, earning these Slow Cooked Reuben Brats a permanent spot in your recipe rotation.

The Unmatched Convenience and Flavor of Slow Cooker Brats
While grilled brats certainly have their charm, offering that unmistakable smoky char and a delightful snap, there’s something uniquely satisfying about the tender, melt-in-your-mouth texture achieved through slow cooking. This Crock Pot Reuben Brats recipe provides remarkable convenience for those busy days when firing up the grill and constant monitoring simply aren’t an option. Picture this: you simply add the brats, sauerkraut, onion, and beer to your slow cooker in the morning, set it, and go about your day. By evening, you’re greeted with perfectly cooked bratwurst, deeply infused with flavor and ready to be assembled into delectable Reuben-inspired sandwiches.
The beauty of this recipe lies not just in its ease, but also in the profound depth of flavor it develops. The long, slow simmer allows the bratwurst to absorb all the savory goodness from the beer, the tangy complexity of the sauerkraut, and the gentle sweetness of the onions. This creates a complex and satisfying taste that’s often hard to achieve with quicker cooking methods. The gentle heat ensures the brats remain incredibly juicy and tender, unlike grilling which can sometimes dry them out. Once the slow cooking is complete, a quick finish in the oven or under the broiler melts the Swiss cheese to perfection and lightly toasts the buns, adding a delightful textural contrast. A final dollop of the tangy-sweet Thousand Island dressing, and your gourmet Reuben Brats are ready to serve, proving that exceptional flavor doesn’t always require exceptional effort.
Important Note for Best Results: To ensure all ingredients fit comfortably and cook evenly, a 6-quart or larger slow cooker is highly recommended for this recipe. Using a smaller pot might result in uneven cooking or spillage, compromising the final delicious outcome.

The Essential Ingredients: A Symphony of Flavors
Each component in our Crock Pot Reuben Brats recipe plays a vital role in creating the ultimate flavor profile. Let’s delve into what makes these ingredients so special and how they contribute to the overall deliciousness:
- Uncooked Bratwurst: These sausages are the hearty foundation of this dish. Opting for uncooked bratwurst is key, as they will absorb the rich flavors of the slow-cooking liquid beautifully, resulting in incredibly juicy and tender meat. Browning them beforehand creates a savory crust and adds an extra layer of flavor depth before their long simmer.
- Sauerkraut: This fermented cabbage is indispensable to the Reuben experience. It provides a distinctive tangy, slightly sour, and briny counterpoint to the richness of the bratwurst and cheese. Rinsing and draining the sauerkraut is an important step to moderate its saltiness and acidity, ensuring a balanced and harmonious flavor in the final dish.
- Yellow or Sweet Onion: Thinly sliced onions add a foundational sweetness and aromatic depth as they slowly caramelize in the slow cooker. Their gentle flavor melds seamlessly with the other ingredients, contributing to the overall complexity of the dish.
- Beer (Lager or Pale Ale): Far from just a liquid, beer contributes a unique malty, slightly hoppy, and complex flavor to the braising liquid. It works to tenderize the brats and infuses them with an incredible depth that can’t be replicated. A light lager or pale ale works wonderfully without overpowering the other ingredients. For an alcohol-free alternative, chicken or vegetable broth can be used, though the flavor profile will be milder.
- Swiss Cheese: The quintessential cheese for a Reuben sandwich, Swiss cheese offers a nutty, slightly sweet, and famously meltable quality. Its distinctive flavor, with its characteristic holes, pairs perfectly with sauerkraut and savory meats, making it an essential component for authentic Reuben taste.
The Secret’s in the Sauce: Crafting Homemade Thousand Island Dressing
While the slow-cooked brats are undeniably the main attraction, the homemade Thousand Island dressing is the unsung hero, the crucial element that binds all the distinct flavors together and elevates these Reuben Brats to an unforgettable culinary experience. Skip the store-bought versions; making your own is incredibly simple and results in a dressing that is far superior in freshness and vibrant flavor. This creamy, tangy, and subtly sweet sauce perfectly complements the rich bratwurst and cuts through the tartness of the sauerkraut, creating a balanced and deeply satisfying bite that truly defines the Reuben profile.
Our recipe for Thousand Island dressing is straightforward, using readily available ingredients:
- Mayonnaise: Provides the essential creamy base and richness.
- Chili Sauce & Ketchup: These two components add a delicate sweetness, a touch of acidity, and the beautiful reddish-orange hue characteristic of classic Thousand Island.
- Finely Chopped Onion: Adds a fresh, subtle pungent bite that brightens the sauce and adds another layer of texture.
- Sweet Pickle Relish: Contributes a delightful texture and a crucial tangy-sweet zest that is absolutely essential for the classic flavor profile.
- Pepper: A dash of black pepper (or white pepper for a cleaner look) simply enhances all the other flavors without overpowering them.
Whisking these ingredients together creates a dressing that is vibrant, complex, and utterly irresistible. It’s best to prepare it ahead of time and allow it to chill in the refrigerator for at least 30 minutes (or even a few hours), allowing all the wonderful flavors to meld and deepen.
Building Your Perfect Reuben Brat: Assembly & Serving Tips
Once your brats are tender from their long simmer and your homemade Thousand Island dressing is chilled and ready, assembling these culinary masterpieces is the final, rewarding step. This is where all the wonderful flavors come together for that perfect bite:
- Prepare the Buns: Start by gently warming your favorite hot dog or bratwurst buns. A quick toast in the oven or under the broiler for 1-2 minutes will give them a lovely crisp exterior, which not only adds to the texture but also helps them hold up better to the moist fillings.
- Melt the Cheese: Carefully open each bun and place two slices of Swiss cheese inside, ensuring the cheese covers most of the bun’s interior. Return them to the preheated oven (350°F/175°C) for just a few minutes, typically 3-5, until the Swiss cheese is beautifully melted, bubbly, and slightly golden at the edges. This creates a delicious, gooey foundation for your brat.
- Fill with Kraut & Onions: Using tongs or a slotted spoon, carefully transfer a generous portion of the flavorful sauerkraut and onion mixture from the slow cooker into each cheesy bun. It’s crucial to drain off any excess liquid from the slow cooker before filling to prevent the buns from becoming soggy.
- Add the Bratwurst: Place one perfectly slow-cooked, tender bratwurst into each bun, nestling it amongst the kraut and melted cheese.
- Drizzle with Dressing: Finally, and perhaps most importantly, generously spoon your homemade Thousand Island dressing over the bratwurst and kraut. Don’t be shy – this is where much of the classic Reuben magic comes from!
- Serve Immediately: These incredible Reuben Brats are best enjoyed fresh and warm, allowing you to experience all the harmonious flavors and textures at their peak.
Serving Suggestions & Ideal Pairings
These Crock Pot Reuben Brats are hearty and satisfying enough to be a complete meal on their own, but they also pair wonderfully with a variety of classic sides that complement their robust flavors. Consider serving them with a crisp and creamy potato salad, a tangy coleslaw, a simple green salad with a light vinaigrette, or even a side of kettle-cooked potato chips for that extra crunch. For a true German-inspired touch, a side of warm German potato salad would be an exceptional choice. And, of course, always have extra homemade Thousand Island dressing on hand for those who love to dip!
Tips for Success & Creative Variations
To ensure your Crock Pot Reuben Brats are consistently amazing, and to inspire some culinary creativity, here are a few tips and variations:
- Don’t Skip Browning: The initial browning of the bratwurst is more than just a step; it’s a flavor builder. It creates a beautiful crust and a richer, more complex taste that permeates the brats during slow cooking.
- Always Rinse Sauerkraut: Rinsing and thoroughly draining your canned sauerkraut is a small but mighty step. It removes excess sodium and acidity, preventing the dish from becoming overly salty or sour, and allows the other flavors to shine.
- Prep Dressing Ahead: The Thousand Island dressing benefits immensely from sitting for a bit, allowing the flavors to meld. Making it a day or two in advance and storing it in the refrigerator not only enhances its taste but also saves you precious time on cooking day.
- Beer Alternatives: If you prefer not to use beer, or simply don’t have any on hand, chicken broth, beef broth, or even a non-alcoholic beer can be substituted. The flavor will differ slightly but will still be delicious.
- Cheese Exploration: While Swiss cheese is traditional, feel free to experiment with other meltable cheeses. Provolone offers a mild, slightly smoky flavor, while a sharp white cheddar can add a bolder, tangier note.
- Add a Spicy Kick: For those who enjoy a bit of heat, consider adding a pinch of red pepper flakes to the slow cooker mixture, or a dash of your favorite hot sauce to the Thousand Island dressing.
- Different Brats: Experiment with spicy brats, chicken brats, or even specialty flavors to customize the dish to your preference.
- Make it a Casserole: For a fork-and-knife meal, consider deconstructing the brats into a casserole. Layer the kraut, sliced brats, and cheese in a baking dish, bake until bubbly, then spoon the dressing over individual servings.
Crock Pot Reuben Brats
5 out of 5 stars (based on 1 verified vote)
Recipe by Christin Mahrlig
Print Recipe
Experience the ultimate comfort food with these Crock Pot Reuben Brats, featuring savory bratwurst slow-cooked with sauerkraut and onions, then topped with melted Swiss cheese and a delightful homemade Thousand Island dressing.
Ingredients
- 5 uncooked bratwurst sausages
- 1 (14-ounce) can sauerkraut, thoroughly rinsed and drained
- 1 medium yellow or sweet onion, thinly sliced
- 1 (12-ounce) bottle lager or pale ale beer
- For the Homemade Thousand Island Dressing:
- 1/2 cup mayonnaise
- 3 tablespoons chili sauce
- 1 tablespoon ketchup
- 1 tablespoon finely chopped fresh onion
- 2 teaspoons sweet pickle relish
- 1/8 teaspoon black pepper
- 5 hot dog or bratwurst buns
- 10 slices Swiss cheese
Instructions
- Brown the Brats: In a large nonstick skillet or cast-iron pan, brown the uncooked bratwurst over medium-high heat for about 5-7 minutes, turning occasionally, until nicely browned on all sides. This step is crucial for adding a depth of flavor and a good crust. Transfer browned brats to a plate and set aside.
- Prepare Slow Cooker: Lightly grease the inside of a 6-quart or larger slow cooker. Spread the rinsed and drained sauerkraut evenly across the bottom, followed by the thinly sliced onion.
- Layer Ingredients: Place the browned bratwurst sausages directly on top of the sauerkraut and onion mixture in the slow cooker.
- Add Liquid & Cook: Pour the entire bottle of beer over the brats and vegetables. Ensure the liquid covers at least partially. Cover the slow cooker with its lid and cook on the LOW setting for 7 hours, or on HIGH for 3-4 hours, until the brats are incredibly tender and cooked through.
- Make Thousand Island Dressing: While the brats are cooking, prepare the dressing. In a small bowl, combine the mayonnaise, chili sauce, ketchup, finely chopped fresh onion, sweet pickle relish, and pepper. Stir until all ingredients are well incorporated and the dressing is smooth. Cover and refrigerate until needed, allowing the flavors to meld.
- Preheat Oven & Prepare Buns: Once the brats are done, preheat your oven to 350°F (175°C). Line a baking sheet with parchment paper for easy cleanup if desired. Carefully open each bun and place two slices of Swiss cheese inside each, ensuring the cheese covers most of the bun’s interior.
- Melt Cheese & Toast Buns: Place the cheese-lined buns on the baking sheet and bake in the preheated oven for 3-5 minutes, or until the Swiss cheese is fully melted and bubbly, and the buns are lightly toasted. Keep a close eye on them to prevent burning.
- Assemble the Reuben Brats: Remove the buns from the oven. Using tongs, carefully transfer the slow-cooked kraut and onion mixture into each bun, making sure to drain off any excess liquid from the slow cooker before filling. Place one tender bratwurst into each bun.
- Serve with Dressing: Generously top each assembled Reuben Brat with a spoonful of the homemade Thousand Island dressing. Serve immediately and savor this deliciously easy, flavorful meal!
Nutrition Information
Calories: 646 kcal
Please note that nutrition information is an estimate calculated automatically and may vary depending on specific brands and exact quantities used. It should be used as an approximation only.
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Originally published: October 6, 2017
Recipe adapted from Taste of Home

More Reuben-Inspired Recipes You’ll Love to Explore
If the unique and irresistible flavors of a Reuben sandwich have captured your palate, then you’re in for a treat! We’ve gathered more fantastic recipes that take inspiration from this classic deli favorite, bringing you delightful variations perfect for any occasion. Dive into these creative dishes that feature the iconic combination of savory meats, tangy sauerkraut, rich Swiss cheese, and creamy Thousand Island dressing.
Reuben Pinwheels: These bite-sized spirals pack all the classic Reuben flavors into a convenient and crowd-pleasing appetizer. They are perfect for parties, game nights, or as a fun snack that’s sure to be a hit.
Reuben Dip: Indulge in this warm, creamy, and irresistibly cheesy dip that perfectly captures the essence of the beloved Reuben sandwich. It’s an ideal appetizer for sharing, fantastic for tailgates, and can be served with rye bread, crackers, or pretzel bites.
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