EASY REUBEN CORNED BEEF CASSEROLE

Leftover corned beef has a destiny far greater than a simple sandwich, though that’s a noble cause in itself. It’s meant to be folded into something warm, comforting, and bubbling with cheese—a dish that turns yesterday’s centerpiece into today’s effortless triumph.

This casserole captures the soul of a Reuben sandwich in every spoonful: the savory meat, the tang of sauerkraut, the creamy Swiss, all bound in a hearty, golden-baked base. It’s a forgiving, one-dish wonder that asks for little and delivers a deeply satisfying meal to a hungry table.

Gather Your Ingredients

Using good-quality, simple ingredients makes all the difference here. This isn’t a fussy recipe, but each component plays a specific role in creating that classic Reuben harmony.

• Cooked Corned Beef (about 1 pound): Finely chopped or shredded. (Using your own leftover from an Oven Roasted Corned Beef or Slow Cooker Corned Beef And Cabbage is ideal, but deli corned beef works perfectly in a pinch).
• Sauerkraut (1 (14-ounce) can or jar): Drained and very well rinsed. (This is key for a balanced flavor that isn’t overly sour).
• Dry Egg Noodles (12 ounces): (They hold their shape beautifully and cradle the sauce).
• Cream of Celery Soup (2 (10.5-ounce) cans): (Provides a creamy, seasoned base with a subtle herbal note).
• Milk (1 ½ cups): (Thins the soup to a silky sauce that soaks into the noodles).
• Swiss Cheese (2 cups shredded): Divided. (Its nutty, mild meltability is the classic Reuben choice).
• Russian or Thousand Island Dressing (1 cup): (This is the flavor catalyst—it brings the sweet, tangy, tomatoey punch).
• Butter (2 tablespoons): Melted. (For that irresistible, crispy topping).
• Rye Breadcrumbs (1 cup): (Toasted. They add the final, authentic Reuben crunch. Panko works if you’re in a bind).

Pantry Substitutions

• No cream of celery? Cream of mushroom or onion soup will work just fine.
• If you don’t have Russian dressing, mix ¾ cup Thousand Island with 2 tablespoons of ketchup and a dash of hot sauce for a similar zip.
• Short on Swiss? A combination of Swiss and mild cheddar is a delightful twist.
• For the breadcrumbs, any sturdy bread you have on hand—pumpernickel, sourdough, even plain white—toasted and crushed will do the job.

Kitchen Experiments

Once you’ve mastered the classic, feel free to play. A Cheesy Corned Beef And Cabbage Bake follows a similar comforting principle.

For a richer, deeper flavor, use a cup of shredded Brown Sugar Glazed Corned Beef in place of some of the plain meat.
Turn it into a brunch bake by stirring in a cup of diced, cooked potatoes and serving with a dollop of sour cream.
For a lighter version, you can substitute the canned soup with a homemade sauce of 3 cups milk, ¼ cup flour, and ¼ cup butter, seasoned with celery salt and onion powder.

Step-by-Step Instructions

Don’t let the list of ingredients fool you—this comes together with the ease of a weeknight favorite. The most important step is simply reading through the recipe once before you begin.

1. Prep Your Components

Start by preheating your oven to 350°F (175°C). Grease a 9×13 inch baking dish.

Bring a large pot of salted water to a boil for the egg noodles. Cook them according to package directions until just al dente, as they will continue to cook in the oven. Drain and set aside.

While the noodles cook, drain your sauerkraut in a colander and rinse it thoroughly under cold water. Squeeze it very well with your hands to remove excess moisture. This prevents a soggy casserole.

2. Build the Creamy Base

In a very large mixing bowl, whisk together the two cans of cream of celery soup and the milk until smooth. This is your blank canvas.

Now, stir in the Russian dressing and one cup of the shredded Swiss cheese. The dressing will turn the mixture a lovely pinkish-tan color—that’s the flavor weaving in.

3. Combine Gently and Thoroughly

To the creamy base, add the drained noodles, chopped corned beef, and squeezed sauerkraut. Use a large spoon or spatula to fold everything together.

Be patient and gentle, ensuring the sauce coats every noodle and distributes the meat and kraut evenly. You want a harmonious mix, not a bruised one.

4. Assemble for Baking

Pour the entire mixture into your prepared baking dish, spreading it out into an even layer. Sprinkle the remaining one cup of Swiss cheese evenly over the top.

In a small bowl, toss the rye breadcrumbs with the melted butter until they’re all lightly coated. Sprinkle this buttery crumb mixture over the cheese layer.

5. Bake to Golden Perfection

Place the dish in the preheated oven and bake, uncovered, for 35 to 45 minutes. You’re looking for the edges to be bubbly and the top to be a deep, golden brown.

If the top is browning too quickly, you can lay a piece of foil loosely over it for the last 10 minutes of baking. Let it rest for 10 minutes after pulling it from the oven before serving. This allows the sauce to set slightly for perfect slices.

My Kitchen Notes

• Avoid Sogginess: That step of rinsing and squeezing the sauerkraut cannot be overstated. Any extra liquid will weep into your casserole as it bakes.
• Check Your Noodles: Always undercook your pasta by a minute or two from the package directions for any baked pasta dish. They absorb sauce and finish cooking in the oven’s heat.
• Rest Before Serving: Letting the casserole sit for those 10 minutes after baking is not just a suggestion. It gives everything a chance to settle, making serving much cleaner and the flavors more cohesive.
• Make it Ahead: You can assemble the casserole completely (without baking) up to a day ahead. Cover and refrigerate. Add 10-15 minutes to the bake time if you’re starting from cold.

Complete the Table

This casserole is a hearty meal all on its own, but a simple, crisp green salad with a bright vinaigrette cuts through the richness beautifully.

For a true St. Patrick’s Day feast, serve it alongside some steamed carrots or buttered peas. It also makes a wonderful partner to a bowl of Corned Beef And Cabbage soup for a lunch that will warm you to your bones.

If you’re fascinated by different cooking methods for the star ingredient, the hybrid approach in Corned Beef Slow Cooker Oven is a clever technique worth exploring.

Thanks for stopping by! I hope this dish brings joy to your table.

Easy Reuben Corned Beef Casserole

This comforting casserole transforms leftover corned beef into a hearty, one-dish meal that captures all the classic flavors of a Reuben sandwich. Savory corned beef, tangy sauerkraut, and creamy Swiss cheese are bound with egg noodles and a rich Russian dressing sauce, then topped with buttery rye breadcrumbs and baked until golden and bubbly. It’s a forgiving and deeply satisfying dish perfect for a family dinner.

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Prep Time 20 minutes mins

Cook Time 45 minutes mins

Total Time 1 hour hr 5 minutes mins

Servings: 6

Course: Main Course

Cuisine: American

Calories: 550

Ingredients Equipment Method Notes

Ingredients

  

• 1 pound cooked corned beef, finely chopped or shredded
• 12 ounces dry egg noodles
• 1 ½ cups milk
• 2 cups shredded Swiss cheese, divided
• 1 cup Russian or Thousand Island dressing
• 2 tablespoons butter, melted
• 1 cup toasted rye breadcrumbs

Equipment

• 9×13 inch baking dish
• Large pot
• Colander
• Large mixing bowl
• Whisk
• Large spoon or spatula
• Small bowl
• Measuring cups and spoons
• Oven

Method

 

1. Preheat oven to 350°F (175°C). Grease a 9×13 inch baking dish.
2. Bring a large pot of salted water to a boil. Cook egg noodles according to package directions until al dente. Drain and set aside.
3. Drain sauerkraut in a colander and rinse thoroughly under cold water. Squeeze very well with hands to remove excess moisture.
4. In a very large mixing bowl, whisk together the cream of celery soup and milk until smooth.
5. Stir the Russian dressing and 1 cup of the shredded Swiss cheese into the soup mixture.
6. Gently fold the drained noodles, chopped corned beef, and squeezed sauerkraut into the creamy base until evenly combined.
7. Pour the mixture into the prepared baking dish and spread into an even layer.
8. Sprinkle the remaining 1 cup of Swiss cheese evenly over the top.
9. In a small bowl, toss the rye breadcrumbs with the melted butter until coated. Sprinkle this mixture over the cheese layer.
10. Bake, uncovered, for 35 to 45 minutes, until the edges are bubbly and the top is a deep golden brown. (If browning too quickly, loosely cover with foil for the last 10 minutes.)
11. Let the casserole rest for 10 minutes before serving.

Notes

Rinsing and thoroughly squeezing the sauerkraut is crucial to prevent a soggy casserole. For best texture, slightly undercook the pasta as it will finish cooking in the oven. The casserole can be assembled (unbaked) up to a day ahead, covered, and refrigerated; add 10-15 minutes to bake time if starting cold. Substitutions: cream of mushroom or onion soup for celery soup; panko or other toasted breadcrumbs for rye; a mix of Swiss and mild cheddar for all Swiss. For a homemade sauce alternative, use 3 cups milk, ¼ cup flour, and ¼ cup butter seasoned with celery salt and onion powder.