Reuben Casserole Recipe: Few dishes combine comfort and bold flavor quite like a Reuben casserole. Inspired by the famous Reuben sandwich, this dish layers corned beef, sauerkraut, Swiss cheese, and tangy Thousand Island or Russian dressing into a baked casserole that’s perfect for family dinners, potlucks, or cozy weekends at home. Unlike a traditional sandwich, this casserole is hearty, easy to make in bulk, and requires minimal hands-on time—making it a favorite for busy households.
If you love melty cheese, tangy sauerkraut, and the savory punch of corned beef, then this recipe will quickly become a go-to in your kitchen. In this guide, we’ll walk through everything you need to know—from essential ingredients to step-by-step cooking instructions, tips, and even fun variations.
What is a Reuben Casserole?
A Reuben casserole is essentially the famous New York deli sandwich transformed into a hot, cheesy, baked dish. Instead of piling corned beef, sauerkraut, Swiss cheese, and dressing between slices of rye bread, you layer these ingredients in a casserole dish and bake them until gooey and golden.
This dish captures the bold flavors of the sandwich but makes it easier to serve a crowd. Imagine the tangy bite of sauerkraut blending with creamy cheese, the saltiness of corned beef, and the sweetness of Thousand Island—all melded together in one comforting bite. Unlike the sandwich, which can get soggy or messy, the casserole holds its shape well and makes portioning a breeze.
Why This Dish is So Popular
The Reuben casserole has gained popularity for three main reasons:
- Convenience – No need to individually grill sandwiches. Just layer, bake, and serve.
- Flavor-packed – The combination of savory, tangy, and creamy flavors is irresistible.
- Versatility – You can easily adjust ingredients to suit low-carb, vegetarian, or gluten-free diets.
Whether you’re hosting a family dinner or looking for something different to meal prep, Reuben casserole is the perfect choice.
Ingredients You’ll Need
Core Ingredients for Classic Flavor
To achieve the authentic Reuben taste, you’ll need these essential ingredients:
- Corned Beef – Deli-sliced or leftover homemade corned beef works best.
- Sauerkraut – Drained well to prevent excess moisture.
- Swiss Cheese – Melty, slightly nutty, and the classic choice for a Reuben.
- Rye Bread – Cubed for texture or used as a crunchy topping.
- Thousand Island or Russian Dressing – Adds creaminess and tang.
- Butter – For toasting the bread cubes or greasing the dish.
These ingredients mimic the sandwich but transform beautifully into a hearty baked meal.
Optional Add-Ons and Variations
- Caraway Seeds – To enhance the rye bread flavor.
- Pickles – Chopped pickles or relish for extra tang.
- Cheddar or Mozzarella Cheese – If you prefer a cheesier, stretchier casserole.
- Onions – Caramelized onions add depth and sweetness.
Ingredient Substitutions for Dietary Needs
- Low-carb version – Skip the bread cubes and layer with cabbage or cauliflower rice.
- Gluten-free version – Use gluten-free rye-style bread or omit bread entirely.
- Dairy-free version – Swap Swiss cheese with a vegan cheese alternative.
- Healthier version – Use turkey or lean pastrami instead of corned beef.
Step-by-Step Guide to Making Reuben Casserole
Step 1 – Preparing the Ingredients
Start by prepping your ingredients: cube your rye bread, drain the sauerkraut thoroughly, and slice or shred your corned beef. Preheat your oven to 350°F (175°C). Butter your casserole dish to prevent sticking.
Step 2 – Layering the Casserole
In your prepared dish, begin with a layer of cubed rye bread. Add corned beef, then sauerkraut, followed by a generous drizzle of Thousand Island dressing. Sprinkle a thick layer of Swiss cheese on top. Repeat the layers until your dish is nearly full.
Step 3 – Adding Dressing and Cheese
The key to a perfect Reuben casserole is balance. Don’t overload on dressing—it should coat the layers without making the dish soggy. Top the final layer with Swiss cheese for that golden bubbly finish.
Step 4 – Baking to Perfection
Cover the dish with foil and bake for 25–30 minutes. Remove the foil and bake an additional 10–15 minutes until the cheese is melted and slightly browned.
Step 5 – Serving Suggestions
Allow the casserole to cool slightly before slicing. Serve warm with a side salad, roasted veggies, or even dill pickles for an authentic deli-style experience.
Tips for the Perfect Reuben Casserole
How to Avoid a Soggy Casserole
The number one challenge with Reuben casserole is sogginess, usually caused by sauerkraut and bread releasing too much liquid. Always drain and squeeze sauerkraut well before adding it. Toasting the bread cubes lightly before layering also prevents sogginess.
Balancing Flavors
The combination of salty beef, tangy sauerkraut, creamy dressing, and nutty Swiss cheese needs balance. Taste your layers as you build. If it feels too salty, add extra cheese or dressing. If too bland, sprinkle in caraway seeds or add a touch of mustard.
Make-Ahead and Storage Tips
- Make-ahead: Assemble the casserole a day in advance, cover tightly, and refrigerate. Bake fresh when ready.
- Storage: Leftovers keep for 3–4 days in the fridge.
- Freezing: Freeze unbaked casseroles for up to 2 months. Bake directly from frozen, adding extra time.
Variations of Reuben Casserole
Keto-Friendly Version
For those following a low-carb or ketogenic lifestyle, a traditional Reuben casserole can be easily modified. The bread cubes, while delicious, are the main source of carbs. To keep the dish keto-friendly, skip the bread altogether and replace it with layers of lightly sautéed cabbage or even cauliflower rice. This substitution not only keeps carbs in check but also enhances the flavor since cabbage pairs beautifully with corned beef and cheese.
Another trick is to use a sugar-free version of Thousand Island dressing. Many store-bought varieties contain added sugar, which can push you out of ketosis. Instead, you can whip up a homemade version using mayonnaise, sugar-free ketchup, a dash of vinegar, and chopped pickles. Once baked, the result is just as satisfying—creamy, cheesy, and packed with that signature Reuben flavor—without the carb overload.
Vegetarian Version
Craving the taste of a Reuben but avoiding meat? No problem! A vegetarian version swaps out corned beef for hearty alternatives like roasted mushrooms, tempeh, or even marinated tofu. These substitutes mimic the texture and absorb the flavors of the dressing and sauerkraut beautifully.
For even more authenticity, you can season your mushroom or tempeh with smoked paprika, soy sauce, and garlic to recreate the umami depth of corned beef. Layer the vegetarian protein just as you would with the beef, and keep the sauerkraut and Swiss cheese for that classic tangy-creamy pairing. The result is a comforting vegetarian casserole that doesn’t compromise on taste.
Low-Carb Alternative
If you’re not strictly keto but want a lighter casserole, a low-carb version might be perfect. Instead of heavy layers of bread, try using thin slices of zucchini or eggplant as your “bread.” These vegetables soak up flavors while keeping calories low. Pair with reduced-fat Swiss cheese and lean turkey pastrami, and you’ll have a lighter dish that still satisfies cravings.
Nutritional Value of Reuben Casserole
Calories and Macronutrients
The traditional version of Reuben casserole is indulgent, but understanding its nutritional breakdown helps you enjoy it wisely. On average, a serving of Reuben casserole (about one cup) contains:
- Calories: 350–450 (depending on portion size and added bread/cheese)
- Protein: 18–22 grams
- Carbohydrates: 15–25 grams
- Fat: 20–28 grams
It’s a high-protein dish thanks to the corned beef and cheese, making it quite filling. However, the dressing and bread contribute additional carbs and fat, which can be modified based on dietary needs.
Healthier Ingredient Alternatives
Want to make it lighter without losing flavor? Try these swaps:
- Use Greek yogurt-based dressing instead of mayo-heavy Thousand Island.
- Swap lean turkey pastrami for corned beef to cut saturated fat.
- Choose low-fat Swiss cheese or even part-skim mozzarella.
- Replace bread cubes with whole-grain rye crackers for added fiber.
These changes help reduce calories and fat while keeping the flavors intact.
What to Serve with Reuben Casserole
Perfect Side Dishes
Reuben casserole is rich and hearty, so pairing it with lighter sides balances the meal. Some excellent options include:
- Crisp Green Salad – A simple arugula or mixed greens salad with vinaigrette cuts through the richness.
- Roasted Vegetables – Carrots, asparagus, or Brussels sprouts add texture and color.
- Potato Wedges – For those who want an extra hearty meal, crispy potatoes work beautifully.
- Coleslaw – A tangy coleslaw complements the sauerkraut and adds freshness.
Best Drinks to Pair With
Pairing drinks with Reuben casserole enhances the overall dining experience. Some favorites include:
- Beer – A crisp lager or amber ale balances the salty corned beef.
- Red Wine – A medium-bodied red like Merlot or Pinot Noir pairs nicely with the savory flavors.
- Sparkling Water with Lemon – Refreshing and palate-cleansing for a lighter option.
Common Mistakes to Avoid
Overcooking or Undercooking
The biggest mistake with casseroles is improper baking. Overcooking can dry out the meat and cheese, while undercooking leaves it soggy. Stick to 35–45 minutes at 350°F, checking at the 30-minute mark.
Wrong Cheese Choices
Swiss cheese is the star of this dish. Replacing it with a mild cheese like American or Monterey Jack may lead to a bland casserole. If you must substitute, choose a cheese with bold character, like Gruyère or sharp cheddar.
Skipping the Dressing
The dressing isn’t just an extra—it’s essential. Without Thousand Island or Russian dressing, the casserole will taste dry and one-dimensional. Even a lighter homemade version is better than skipping it entirely.
FAQs about Reuben Casserole Recipe
1. Can I use fresh corned beef instead of deli slices?
Yes! Fresh, homemade corned beef makes the casserole even more flavorful. Just shred or slice it thin before layering.
2. How long does Reuben casserole last in the fridge?
Properly stored in an airtight container, it lasts 3–4 days in the refrigerator.
3. Can I freeze Reuben casserole?
Absolutely. Assemble the casserole, cover tightly with foil, and freeze for up to 2 months. Bake straight from frozen with extra time.
4. Is Swiss cheese necessary, or can I replace it?
Swiss is traditional, but you can swap it with Gruyère, provolone, or even sharp cheddar if you prefer a different flavor.
5. What’s the best bread to use if I don’t have rye?
Pumpernickel or whole wheat bread makes a great substitute. For a crunchier topping, you can also use sourdough cubes.
Conclusion
Reuben casserole takes everything you love about the classic deli sandwich and turns it into a warm, comforting dish that’s easy to prepare for a crowd. With layers of savory corned beef, tangy sauerkraut, melty Swiss cheese, and creamy dressing, this dish delivers bold flavor in every bite. Whether you stick to the traditional version or experiment with keto, vegetarian, or lighter alternatives, it’s a versatile recipe that can fit any diet or occasion.
Serve it with fresh salads, roasted veggies, or even just a cold beer, and you’ve got a meal that satisfies every craving. Try it once, and chances are, this casserole will become a repeat star on your dinner table.
