Keto Reuben Casserole – Easy low carb casserole with layers of corned beef, sauerkraut, Swiss cheese… | Low carb keto recipes, Easy keto recipes, Keto dinner recipes

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Author: Olivia
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Keto Reuben Casserole with corned beef, sauerkraut, and Swiss cheese

why make this recipe

This Keto Reuben Casserole gives you the taste of a Reuben sandwich in a simple, low carb dinner. It is quick to put together, fills your family, and fits a keto plan. The layers of corned beef, sauerkraut, and melty Swiss make it tasty and familiar.

introduction

This casserole keeps the classic Reuben flavors but cuts carbs. It uses simple ingredients and bakes in one dish for easy clean up. If you like slow, easy meals, you may also enjoy these easy crockpot chicken recipes as another low-effort option.

how to make Keto Reuben Casserole

Make this casserole in a baking dish. You will layer the corned beef, drain and rinse the sauerkraut, add a creamy mustard sauce, and top with Swiss cheese. Bake until hot and the cheese melts. Let it rest a few minutes before serving.

Ingredients :

  • 1 lb cooked corned beef, chopped or shredded
  • 2 cups sauerkraut, drained and rinsed
  • 1 cup mayonnaise (or keto mayo)
  • 2 tbsp Dijon mustard
  • 1/4 cup sour cream
  • 1 tsp apple cider vinegar (optional)
  • 1/2 tsp garlic powder
  • 1/2 tsp onion powder
  • 8 oz Swiss cheese, shredded or sliced
  • 2 tbsp butter, melted (optional, for top)
  • Salt and pepper to taste
  • Fresh chopped parsley for garnish (optional)

Directions :

  1. Preheat oven to 350°F (175°C). Grease a 9×9 inch baking dish.
  2. In a bowl, mix mayonnaise, Dijon mustard, sour cream, apple cider vinegar, garlic powder, onion powder, salt, and pepper. This is the sauce.
  3. Spread half of the corned beef in the bottom of the dish.
  4. Top the meat with the drained sauerkraut in an even layer.
  5. Spread half of the sauce over the sauerkraut.
  6. Add the remaining corned beef on top.
  7. Pour the rest of the sauce over the top layer of meat.
  8. Cover with Swiss cheese. Brush melted butter on the cheese if you like a browner top.
  9. Bake 20–25 minutes until hot and the cheese is melted and bubbly.
  10. Let rest 5 minutes, then garnish with parsley and serve.

how to serve Keto Reuben Casserole

Serve hot in squares. Add a small side salad or keto pickles. Spoon a little extra mustard or low carb Thousand Island on the side for dipping. This casserole works well as a main dish for dinner or a warm lunch.

how to store Keto Reuben Casserole

Cool the casserole to room temperature. Cover and store in the fridge for up to 3–4 days. Reheat individual portions in the microwave or warm in the oven at 325°F (160°C) until hot. To freeze, wrap tightly in foil and freeze up to 2 months. Thaw overnight in the fridge before reheating.

tips to make Keto Reuben Casserole

  • Drain and rinse sauerkraut well to reduce excess tang and moisture.
  • Use thinly shredded Swiss for even melting.
  • If corned beef is salty, rinse lightly or reduce added salt.
  • Let the casserole rest a few minutes after baking so it firms up and slices cleanly.
  • For a creamier top, mix a little extra mayo into the cheese before baking.

variation (if any)

  • Pastrami Reuben: swap corned beef for pastrami for a slightly different flavor.
  • Low dairy: use dairy-free cheese and a mayo-based sauce.
  • Add a thin layer of low carb rye-style croutons or toasted almond flour topping for crunch.

FAQs

Q: Can I use canned corned beef?
A: Yes. Drain and break it up before layering. Fresh or deli corned beef gives better texture, but canned works.

Q: Is this recipe very high in fat?
A: It is higher in fat to keep carbs low, which fits a typical keto plan. Use light mayo or less cheese if you want lower fat.

Q: Can I make this ahead?
A: Yes. Assemble the casserole, cover, and refrigerate up to 24 hours. Bake when ready. Increase bake time slightly if baking from cold.

Q: Can I use Swiss slices instead of shredded cheese?
A: Yes. Lay slices over the top and bake the same way. Slices melt well and give a classic look.

Q: How do I reduce the strong sauerkraut taste?
A: Rinse sauerkraut well and squeeze out excess liquid. Mix some of the sauce into the sauerkraut to mellow the flavor.

Print
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Keto Reuben Casserole

  • Author: arianarecipes
  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Total Time: 40 minutes
  • Yield: 6 servings 1x
  • Category: Main Course
  • Method: Baking
  • Cuisine: American
  • Diet: Keto

Description

This Keto Reuben Casserole gives you the savory taste of a Reuben sandwich in a simple, low-carb dinner, perfect for family meals.


Ingredients

Scale
  • 1 lb cooked corned beef, chopped or shredded
  • 2 cups sauerkraut, drained and rinsed
  • 1 cup mayonnaise (or keto mayo)
  • 2 tbsp Dijon mustard
  • 1/4 cup sour cream
  • 1 tsp apple cider vinegar (optional)
  • 1/2 tsp garlic powder
  • 1/2 tsp onion powder
  • 8 oz Swiss cheese, shredded or sliced
  • 2 tbsp butter, melted (optional, for top)
  • Salt and pepper to taste
  • Fresh chopped parsley for garnish (optional)

Instructions

  1. Preheat oven to 350°F (175°C). Grease a 9×9 inch baking dish.
  2. In a bowl, mix mayonnaise, Dijon mustard, sour cream, apple cider vinegar, garlic powder, onion powder, salt, and pepper. This is the sauce.
  3. Spread half of the corned beef in the bottom of the dish.
  4. Top the meat with the drained sauerkraut in an even layer.
  5. Spread half of the sauce over the sauerkraut.
  6. Add the remaining corned beef on top.
  7. Pour the rest of the sauce over the top layer of meat.
  8. Cover with Swiss cheese. Brush melted butter on the cheese if you like a browner top.
  9. Bake for 20–25 minutes until hot and the cheese is melted and bubbly.
  10. Let rest for 5 minutes, then garnish with parsley and serve.

Notes

Cool the casserole to room temperature before storing. It can stay in the fridge for up to 3–4 days, and can be reheated in the microwave or oven.


Nutrition

  • Serving Size: 1 serving
  • Calories: 450
  • Sugar: 3g
  • Sodium: 900mg
  • Fat: 34g
  • Saturated Fat: 9g
  • Unsaturated Fat: 4g
  • Trans Fat: 0g
  • Carbohydrates: 8g
  • Fiber: 2g
  • Protein: 28g
  • Cholesterol: 90mg

Ariana’s Delicious Moments
Hi, I’m Ariana!

A self-taught home cook who loves creating everyday recipes that are simple, flavorful, and family-friendly. This blog is where I share the meals I actually make from quick weeknight dinners to sweet weekend treats.Let’s cook together!

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