Corned beef. Tangy sauerkraut. Swiss cheese melting into rye bread layers. Reuben Casserole takes everything you love about the classic deli sandwich and bakes it into one bubbly, golden pan that feels like a hug in dinner form.
I started making this back in 2019 when my youngest asked for “something like that sandwich Grandma Julia used to order at the diner” but I was too tired to stand at the stove flipping sandwiches for four people. So I layered everything into a baking dish, added a little caraway for depth, and let the oven do the work. After a long day, I need dinner to be comforting but not complicated, and this delivers every single time. It’s become my spring reset meal when I want cozy flavors without the heaviness of winter cooking.
PrintReuben Casserole Recipe Easy Weeknight Comfort Dinner
Reuben Casserole is a comforting casserole recipe that combines all the classic flavors of a Reuben sandwich. Perfect for an easy dinner or family meal on weeknights, it brings delicious comfort food to your table ready in under an hour.
- Prep Time: 20 minutes
- Cook Time: 45 minutes
- Total Time: 1 hour 5 minutes
- Yield: 12 servings 1x
- Category: Main Course
- Method: Baked
- Cuisine: American
- Diet: Standard
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)
- 1 cup milk
- 3 large eggs beaten
- ⅓ cup thousand island dressing
- ¼ cup yellow mustard
Instructions
- Set your oven to 350 degrees Fahrenheit and grease an 11×7 inch or 9×13 inch baking dish with nonstick spray.
- Cut four rye bread slices into 2 inch cubes and spread them evenly at the bottom of the dish.
- Process the remaining 2 slices in a food processor until they become fine breadcrumbs and keep aside.
- Add half of the pastrami over the cubed bread layer.
- Spread sauerkraut, chopped dill pickles, and one teaspoon of caraway seeds evenly over the pastrami.
- Sprinkle 2 cups of shredded Swiss cheese over the sauerkraut layer.
- Arrange the remaining pastrami on top and press down gently to compact the layers.
- Top with the remaining 2 cups of Swiss cheese and the last teaspoon of caraway seeds.
- In a bowl, mix the milk, beaten eggs, thousand island dressing, and yellow mustard until well combined.
- Pour this mixture evenly over the casserole.
- Sprinkle the prepared rye breadcrumbs atop the entire casserole.
- Cover with foil and bake for 45 minutes.
- Let the casserole rest for 5 minutes once removed from the oven before slicing and serving.
Notes
- For crisp tops, broil 2–3 minutes at the end
Nutrition
- Calories: 274kcal
- Sugar: 3g
- Sodium: 795mg
- Fat: 15g
- Carbohydrates: 13g
- Fiber: 1g
- Protein: 20g
Why You’ll Love This
This is what I reach for when I want all the comfort of a classic deli sandwich without standing over a hot griddle on a busy weeknight. It’s filling, flavorful, and feeds a crowd or gives you easy leftovers that actually reheat beautifully. Plus, it’s forgiving. The layers do the heavy lifting, and the oven does the rest.
- One pan, layered and done: No flipping, no assembly line just stack it and bake.
- Familiar flavors with a twist: Tangy sauerkraut, melty Swiss cheese, and that signature Thousand Island-mustard combo baked into every bite.
- Perfect for tired evenings: Low effort, minimal cleanup, and it doesn’t feel heavy just cozy and reliable.
What Goes Into It
Everything you need is probably already on your shopping list or close to it. Here’s what makes this casserole work:
- Rye bread: Dark or light works. Some gets cubed for texture, some becomes a crunchy topping.
- Pastrami or corned beef: Thinly sliced deli meat gives you that classic Reuben vibe.
- Sauerkraut and dill pickles: Double tangy, double delicious. Drain the sauerkraut really well so it doesn’t get soggy.
- Swiss cheese: Melty, nutty, and layered twice for maximum gooeyness.
- Caraway seeds: Just a hint they add that deli bread nostalgia without overpowering.
- Milk, eggs, Thousand Island dressing, and yellow mustard: Whisked together, this mixture soaks into the bread and binds everything like a savory bread pudding.
How to Make It
Start by preheating your oven to 350°F and spraying your baking dish. Cube four slices of rye bread and spread them across the bottom. Pulse the remaining two slices into breadcrumbs and set them aside they’ll become the crispy top later.
Layer half the pastrami over the bread cubes, then add the drained sauerkraut, chopped dill pickles, and half the caraway seeds. Sprinkle on 2 cups of Swiss cheese, then add the rest of the pastrami. Press everything down gently to compact the layers. Top with the remaining cheese and caraway seeds.
Whisk together the milk, beaten eggs, Thousand Island dressing, and mustard. Pour it evenly over the casserole, then sprinkle on those reserved breadcrumbs. Cover with foil and bake for 45 minutes. Let it rest for 5 minutes before slicing this helps it hold together beautifully.
Swaps and Tweaks
You can easily adjust this based on what you have or what your family loves:
| Ingredient | Swap Option |
|---|---|
| Pastrami | Use corned beef or turkey pastrami |
| Rye bread | Try pumpernickel or marble rye |
| Swiss cheese | Gruyère or provolone work great |
| Thousand Island dressing | Russian dressing or extra mustard + a bit of mayo |
| Dill pickles | Sweet pickles if you like a sweeter bite |
Serving and Storage
Serve this straight from the dish while it’s still warm and bubbly. It pairs beautifully with a crisp green salad or even just a handful of potato chips on the side for crunch. Leftovers keep well in the fridge for up to 3 days just cover tightly and reheat in the oven or microwave.
| Storage Method | Details |
|---|---|
| Refrigerator | Cover tightly, store up to 3 days |
| Freezer | Wrap well, freeze up to 2 months; thaw overnight before reheating |
| Reheating | Oven at 350°F covered with foil, or microwave individual portions |
Pro Tip: If you’re reheating in the oven, add a splash of milk over the top before covering with foil it helps refresh the texture.
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FAQs ( Reuben Casserole )
Can I make this ahead of time?
Yes, you can assemble this dish up to 24 hours before baking. Cover tightly with foil and refrigerate. Add an extra 10-15 minutes to the baking time if cooking straight from the fridge. The flavors actually improve overnight.
What type of bread works best?
Rye bread is traditional and gives the most authentic flavor. Pumpernickel adds a deeper taste, while marble rye offers a nice visual appeal. Day-old bread actually works better than fresh since it holds up to the moisture without getting soggy.
Can I substitute the corned beef?
Pastrami is the best substitute and maintains the authentic deli flavor. Turkey or roast beef work too, though they’ll change the taste profile. Leftover corned beef from St. Patrick’s Day dinner is perfect for this recipe.
How do I prevent it from getting watery?
Drain the sauerkraut thoroughly and even press it with paper towels to remove excess liquid. Don’t use too much dressing, and let any frozen ingredients thaw completely before assembling. These steps keep the texture perfect.
What should I serve with this dish?
A simple green salad with vinaigrette cuts through the richness beautifully. Steamed vegetables like green beans or roasted Brussels sprouts complement the flavors well. Dill pickles on the side complete the deli experience.
A New Weeknight Favorite
In just about an hour, this Reuben Casserole comes together with minimal effort and zero stress. The top gets golden and crispy, the cheese bubbles into every layer, and that tangy sauerkraut softens just enough to balance the richness of the pastrami. You’ll love how it turns out hearty and comforting, but never heavy. It’s the kind of dinner that fills your kitchen with that deli-counter nostalgia and leaves everyone satisfied without you spending all evening at the stove.
If you want to mix things up, try swapping in pumpernickel bread for deeper flavor, or add a handful of fresh dill on top right before serving it brightens everything beautifully. A trick I learned from my aunt’s kitchen: brush a little melted butter over those breadcrumbs before baking for extra golden crunch. Leftovers? They actually get better the next day once all those flavors meld together. Just cover tightly, refrigerate, and reheat gently with a splash of milk to keep things moist.
I’d love to know if you grew up eating Reubens at a favorite deli, or if this becomes your new go-to casserole night. Snap a photo when yours comes out of the oven tag me so I can see how beautifully yours turned out. And if you’re looking for more cozy, low-effort dinners like this one, save this recipe and share it with someone who needs an easy win this week. Some nights just need a meal that feels like a reset without any fuss.
