Oven-Baked Reuben Casserole


Elevate Your Dinner Game with Oven-Baked Reuben Casserole

Are you craving the classic flavors of a Reuben sandwich but want something more substantial? Look no further than this delicious Oven-Baked Reuben Casserole! Packed with layers of savory pastrami, tangy sauerkraut, and gooey Swiss cheese, this comforting casserole is sure to become a new family favorite. Whether you’re hosting a dinner party or simply looking for a satisfying meal to enjoy on a cozy night in, this recipe has you covered. Let’s dive into the details and learn how to make this mouthwatering dish!



  • 6 slices rye bread, divided
  • 1 pound pastrami or corned beef, thinly sliced or shaved
  • 1 (14.5 oz.) can sauerkraut, drained and rinsed
  • 4 cups Swiss cheese, shredded
  • 1 cup dill pickles, chopped
  • 1 cup milk
  • 1/3 cup Thousand Island dressing
  • 1/4 cup mustard
  • 3 large eggs
  • 2 teaspoons caraway seeds


Step 1: Preheat the Oven and Prepare the Bread Layer

  1. Preheat your oven to 375°F (190°C). Grease a 9×13-inch baking dish with butter or cooking spray.
  2. Place 4 slices of rye bread in the bottom of the prepared baking dish, ensuring they cover the entire surface.

Step 2: Layer the Ingredients

  1. Arrange the pastrami or corned beef slices evenly over the bread layer.
  2. Spread the sauerkraut over the meat layer, followed by the chopped dill pickles.
  3. Sprinkle the shredded Swiss cheese over the top of the sauerkraut and pickles.

Step 3: Prepare the Custard Mixture

  1. In a mixing bowl, whisk together the milk, Thousand Island dressing, mustard, eggs, and caraway seeds until well combined.

Step 4: Pour the Custard Mixture and Add Bread Topping

  1. Pour the custard mixture evenly over the layered ingredients in the baking dish.
  2. Tear the remaining 2 slices of rye bread into small pieces and scatter them over the top of the casserole.

Step 5: Bake the Casserole

  1. Place the baking dish in the preheated oven and bake for 35-40 minutes, or until the casserole is set and golden brown on top.
  2. Once baked, remove the casserole from the oven and let it cool for a few minutes before serving.

Step 6: Serve and Enjoy!

  1. Slice the Reuben casserole into squares and serve warm.
  2. Garnish with additional Thousand Island dressing, mustard, or chopped fresh parsley, if desired.

Cook Notes and Variations:

  • Make it Vegetarian: Omit the pastrami or corned beef and double up on the sauerkraut or add sliced mushrooms for a meat-free version of this casserole.
  • Add More Flavor: Enhance the flavor of the casserole by adding a sprinkle of caraway seeds or a drizzle of Russian dressing over the top before baking.
  • Customize the Bread: Experiment with different types of bread, such as pumpernickel or sourdough, to change up the flavor profile of the casserole.

Keto and Low-Carb Versions:

For those following a keto or low-carb diet, here are some modifications you can make to enjoy this Oven-Baked Reuben Casserole:

  • Bread Substitutes: Replace the rye bread with a low-carb alternative, such as almond flour bread or cloud bread, to reduce the carb content of the dish.
  • Reduce Sugar: Use a sugar-free Thousand Island dressing or make your own keto-friendly version using mayonnaise, sugar-free ketchup, and pickle relish.

Frequently Asked Questions (FAQs):

Q: Can I prepare this casserole in advance? A: Yes, you can assemble the casserole up to a day in advance and refrigerate it until ready to bake. Simply cover the baking dish tightly with foil and store it in the refrigerator until you’re ready to bake.


Q: Can I freeze leftovers of this casserole? A: Yes, you can freeze leftover portions of the Reuben casserole for up to 2-3 months. Be sure to wrap the casserole tightly in plastic wrap and aluminum foil before freezing. To reheat, thaw the casserole in the refrigerator overnight and then reheat in the oven until warmed through.


Q: Can I use store-bought Thousand Island dressing or mustard for this recipe? A: Yes, you can use store-bought condiments for convenience. However, homemade versions will allow you to control the ingredients and adjust the flavor to your preference.


In conclusion, this Oven-Baked Reuben Casserole is a delicious and satisfying dish that’s perfect for any occasion. With its layers of savory pastrami, tangy sauerkraut, and creamy Swiss cheese, it’s sure to be a hit with your family and friends. Whether you’re serving it for a weeknight dinner or as the star of your next potluck gathering, this casserole is guaranteed to impress. So, gather your ingredients and get ready to enjoy the irresistible flavors of this classic comfort food!