There’s something wonderfully cozy about a big, melty, and savory casserole that feels like a hug on a plate. This Reuben Casserole Recipe captures all the classic flavors of a Reuben sandwich—rye bread, pastrami, sauerkraut, Swiss cheese, and that tangy dressing—but in a warm, shareable dish perfect for feeding a crowd or meal prepping for the week.
Why You’ll Love This Recipe
- All the Classic Flavors: Every bite tastes like your favorite Reuben sandwich—but without any of the fuss of assembly.
- Perfect for a Crowd: This casserole feeds 12, making it ideal for family dinners, potlucks, or game day gatherings.
- Simple Prep and Baking: Layering the ingredients is easy and the slow bake melds everything into pure deliciousness.
- Customizable: You can tweak the meat, cheese, or even the sauce to fit your taste or dietary needs without sacrificing flavor.
Ingredients You’ll Need
This Reuben casserole pulls together classic deli ingredients that harmonize beautifully. Keeping rye bread slightly toasted and well-drained sauerkraut will really boost the texture and flavor, so don’t rush those steps!
- Rye bread: Use good quality rye, dark or light, but make sure it’s sturdy enough to hold up when cubed and baked.
- Pastrami or corned beef: Thinly sliced deli meat works best here for layering and flavor distribution.
- Sauerkraut: Drain it very well to avoid sogginess; I usually press it in a colander with paper towels.
- Swiss cheese: Freshly shredded melts more evenly and has a wonderful nutty flavor perfect for this dish.
- Dill pickles: Chop them coarsely to add bursts of tang and crunch.
- Caraway seeds: These bring that subtle anise flavor classic to Reubens—don’t skip them!
- Milk: Whole milk gives the custard base a rich, creamy texture.
- Eggs: They help bind everything into a sliceable, cohesive casserole.
- Thousand Island dressing: The secret to that signature tangy richness.
- Yellow mustard: Adds a little zing to brighten the casserole.
Variations
Playing with this Reuben Casserole Recipe is part of the fun! I like to swap out meats or add some extras to suit the season or my mood, and you should totally feel free to do the same.
- Use Corned Beef Instead of Pastrami: I once made this for a St. Patrick’s Day party with corned beef and everyone loved how the flavors stayed true but just a bit milder.
- Make it Vegetarian: Swap out the meat and layer in some sautéed mushrooms or tempeh for that meaty texture while keeping the rest of the flavors intact.
- Add Extra Crunch: Top with toasted breadcrumbs or crushed rye crackers for a crispy finish—my family can’t get enough of this texture upgrade!
- Spice it Up: A sprinkle of crushed red pepper flakes or a touch of horseradish in the sauce turns up the punch—I discovered this twist on a rainy day and it was a hit.
How to Make Reuben Casserole Recipe
Step 1: Prep Your Base Layer of Rye Bread
Start by preheating your oven to 350°F and greasing your casserole dish well—an 11×7 or 9×13 works great depending on how thick you want your casserole. Cut four slices of rye bread into 2-inch cubes. These little cubes soak up the custard and sauce beautifully without turning mushy, so aim for uniform size. Spread the cubes evenly on the bottom of the dish—this gives your casserole that comforting bread-y foundation.
Step 2: Make Breadcrumbs for the Topping
Pop your remaining two slices of rye bread into a food processor and pulse until you get fine crumbs. These breadcrumbs will add a lovely, slightly crunchy top to your casserole once baked. If you don’t have a processor, just chopping very finely with a knife works too!
Step 3: Layer the Ingredients
Now, pile on half of your pastrami evenly over the rye cubes. Next comes the sauerkraut, drained thoroughly—this is key to prevent sogginess—spread it out evenly. Sprinkle chopped dill pickles and half the caraway seeds on top; these tiny flavor boosters are what give this dish its authentic Reuben vibe. Add half the shredded Swiss cheese next, spreading it to cover the sauerkraut layer well.
Repeat by layering the remaining pastrami, pressing gently to compact the layers just a bit, then topping with the rest of the Swiss cheese and caraway seeds. This stacking method ensures every bite has a little bit of everything.
Step 4: Pour the Egg Custard and Add Breadcrumbs
In a bowl, whisk together the milk, beaten eggs, Thousand Island dressing, and yellow mustard until smooth. Pour this custard mixture evenly over your layered casserole—you’ll see it soak nicely into the bread and meat. Finally, sprinkle those rye breadcrumbs from earlier on top for a golden crust once baked.
Step 5: Bake and Rest
Cover your casserole with foil and bake for 45 minutes until the custard is set and the cheese is bubbling. I learned early on that resting it for about 5 minutes after baking helps the casserole firm up for cleaner slices, so don’t skip that step—it makes plating way easier.
Pro Tips for Making Reuben Casserole Recipe
- Drain Sauerkraut Well: Press it firmly in a colander and pat dry with paper towels to keep your casserole from becoming watery.
- Choose the Right Rye Bread: Day-old bread works beautifully as it holds up better, giving the casserole nice structure.
- Don’t Skip Resting Time: Let the casserole sit for 5–10 minutes after baking so it slices cleanly and layers hold together.
- Compact Layers Gently: Press down softly after layering to avoid a loose casserole that falls apart when serving.
How to Serve Reuben Casserole Recipe
Garnishes
I love topping my slices with a little extra Thousand Island or a sprinkle of fresh chopped parsley to brighten the flavors and add color. Sometimes, a few extra dill pickle slices on the side give that perfect tangy crunch that balances the rich cheese and meat.
Side Dishes
Classic potato chips or a crisp green salad with a light vinaigrette pairs beautifully. I also enjoy serving roasted Brussels sprouts or a simple cucumber salad to add some fresh, crunchy contrast to the rich casserole.
Creative Ways to Present
For special occasions, I’ve transferred the casserole to individual ramekins for a fancier presentation that’s still easy to serve. Adding a dollop of sour cream or some caramelized onions on top feels indulgent and impressive when entertaining guests!
Make Ahead and Storage
Storing Leftovers
Once cooled, I wrap leftovers tightly with plastic wrap or store them in an airtight container in the fridge. This casserole holds up really well and makes quick lunches or dinners during busy weeks.
Freezing
This Reuben Casserole freezes beautifully. I portion it into airtight containers after baking and cooling, then thaw it overnight in the fridge before reheating—this helps keep the texture just right.
Reheating
To warm it up, I prefer reheating in the oven at 350°F for about 15–20 minutes to keep that crispy top intact. You can cover it loosely with foil if the edges start browning too fast.
FAQs
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Can I use rye or another type of bread for this casserole?
Rye bread is best for keeping that authentic Reuben flavor, but you can substitute with pumpernickel or even sturdy sourdough if you prefer. Just make sure the bread is firm enough to absorb the custard without falling apart.
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What can I substitute for Thousand Island dressing?
If you don’t have Thousand Island on hand, a mix of mayonnaise, ketchup, and a splash of pickle juice works well. You can also use Russian dressing for a similar tangy profile.
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Is it possible to make this casserole ahead of time?
Absolutely! You can assemble the casserole the night before, cover tightly, and refrigerate. Let it come to room temperature before baking it to ensure even cooking.
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How do I prevent the casserole from being soggy?
Draining your sauerkraut thoroughly and pressing the layers gently helps. Also, using day-old bread soaks up the custard better without getting mushy. Baking covered reduces drying but uncovered for last few minutes can add crispiness.
Final Thoughts
I absolutely love how this Reuben Casserole Recipe transforms all those familiar deli sandwich flavors into one big warm, cheesy, satisfying dish. Whenever I make it, the whole family gobbles it up and asks for seconds (no exaggeration!). It’s a fantastic way to bring something fun and different to your dinner table without extra fuss — really, it’s like a crowd-pleasing hug you can bake. Give it a try and enjoy that comfort food magic for yourself!
Print
Reuben Casserole Recipe
- Prep Time: 20 minutes
- Cook Time: 45 minutes
- Total Time: 1 hour 5 minutes
- Yield: 12 servings 1x
- Category: Main Course
- Method: Baking
- Cuisine: American
Description
This Reuben Casserole is a deliciously layered dish combining rye bread, tender pastrami, tangy sauerkraut, Swiss cheese, and a zesty special sauce, baked to perfection for a crowd-pleasing meal that captures the classic flavors of a Reuben sandwich in a convenient casserole form.
Ingredients
Main Ingredients
- 6 slices rye bread (dark or light) (divided use)
- 1 pound thinly sliced pastrami or corned beef (divided use)
- 14.5 ounce can or jar sauerkraut, drained very well
- 4 cups shredded Swiss cheese (divided use)
- 1 cup chopped dill pickles
- 2 teaspoons caraway seeds (divided use)
For the Sauce and Custard
- 1 cup milk
- 3 large eggs, beaten
- ⅓ cup thousand island dressing
- ¼ cup yellow mustard
Instructions
- Preheat and Prepare Dish: Preheat the oven to 350 degrees Fahrenheit. Spray an 11×7-inch or 9×13-inch baking dish with nonstick cooking spray to prevent sticking.
- Cube Bread: Take four slices of rye bread and cut them into 2-inch cubes. Spread these cubes evenly into the bottom of the prepared baking dish.
- Make Breadcrumbs: Place the remaining two slices of rye bread into a food processor and pulse until fine breadcrumbs form. Set these aside for topping later.
- Layer Pastrami: Evenly cover the cubed rye bread in the dish with half of the sliced pastrami.
- Add Sauerkraut Layer: Spread the well-drained sauerkraut evenly over the pastrami layer. Sprinkle the chopped dill pickles and 1 teaspoon caraway seeds on top of the sauerkraut.
- Add Swiss Cheese: Sprinkle 2 cups of shredded Swiss cheese evenly over the sauerkraut mixture.
- Layer Remaining Pastrami: Add the remaining pastrami on top of the cheese layer. Press down gently to compact the layers slightly.
- Top with Cheese and Caraway: Sprinkle the remaining 2 cups of Swiss cheese and the final teaspoon of caraway seeds evenly over the pastrami layer.
- Prepare Custard Sauce: In a medium bowl, whisk together the milk, beaten eggs, thousand island dressing, and yellow mustard until well combined.
- Pour Sauce over Casserole: Evenly pour the milk and egg mixture over the layered casserole in the baking dish.
- Add Breadcrumb Topping: Sprinkle the reserved rye bread crumbs evenly over the top of the casserole.
- Bake and Rest: Cover the baking dish with foil and bake in the preheated oven for 45 minutes. After baking, remove the foil and let the casserole rest for 5 minutes before slicing and serving.
Notes
- Ensure sauerkraut is very well drained to avoid excess moisture making the casserole soggy.
- You can substitute corned beef for pastrami if preferred or to suit dietary needs.
- For a lower fat version, use reduced-fat Swiss cheese and low-fat milk.
- The rye breadcrumbs add a crunchy topping, but you can omit them for a softer top layer.
- Reuben special sauce can be swapped for your favorite Thousand Island dressing brand if desired.
- Use a 9×13 baking dish for a thinner casserole suitable for more servings or an 11×7 for a thicker casserole.
Nutrition
- Serving Size: 1 slice
- Calories: 380 kcal
- Sugar: 4 g
- Sodium: 850 mg
- Fat: 22 g
- Saturated Fat: 11 g
- Unsaturated Fat: 9 g
- Trans Fat: 0.3 g
- Carbohydrates: 24 g
- Fiber: 3 g
- Protein: 21 g
- Cholesterol: 110 mg
