Keto Reuben Casserole

Why make this recipe

What makes this recipe special!

Keto Reuben Casserole is a delightful twist on a classic sandwich that perfectly fits into a low-carb diet. You will love how this dish combines savory corned beef, tangy sauerkraut, and gooey Swiss cheese into one satisfying meal. It’s ideal for a busy weeknight dinner or even a cozy family brunch. Plus, this recipe is quick to prepare, budget-friendly, and kid-approved—making it a go-to for anyone looking to keep dinner time simple yet delicious.

How to make Keto Reuben Casserole

Preparing Keto Reuben Casserole

This casserole comes together quickly, making it a hassle-free option for dinner. Follow these steps for a mouthwatering meal:

  1. Prep Dressing: Preheat the oven to 400°F (200°C). In a small bowl, mix together mayonnaise, ketchup, minced onion, sweetener, relish, and vinegar.

  2. Layer: Take a 9 x 13 dish and spray it lightly with cooking spray. Begin by laying the chopped corned beef at the bottom of the dish. Next, add the drained sauerkraut evenly over the beef.

  3. Top: Spread your prepared sauce over the sauerkraut layer. Finally, sprinkle the shredded Swiss cheese generously on top.

  4. Bake & Serve: Bake the casserole in the preheated oven for 20 minutes, or until the cheese is bubbly and golden. Serve immediately for the best experience.

Ingredients

  • 1 pound Deli Corn Beef, chopped
  • 1 Cup Sauerkraut, drained
  • 2 Cups Shredded Swiss cheese
  • ½ Cup Mayonnaise
  • 4 Tablespoons Ketchup (sugar-free for keto)
  • 2 Tablespoons Minced white onion
  • 2 teaspoon sugar-free granulated sweetener
  • 2 teaspoon Dill Pickle Relish
  • 2 teaspoon White vinegar

How to serve Keto Reuben Casserole

This dish is best enjoyed fresh out of the oven. Serve it hot with a side salad or some vegetable sticks for a complete meal. You could even pair it with low-carb bread if desired. Leftovers can be refrigerated and reheated, making it great for meal prep.

How to store Keto Reuben Casserole

To store any leftover casserole, let it cool completely. Transfer it to an airtight container and keep it in the refrigerator. This dish will stay fresh for up to 3 days. You can also freeze it for a longer shelf life; just ensure it’s tightly sealed to prevent freezer burn.

Tips to make Keto Reuben Casserole

  • For a little extra crunch, consider adding some crushed pork rinds on top before baking.
  • Adjust the seasoning to taste by adding some garlic powder or black pepper.
  • If you prefer it less tangy, you can reduce the amount of vinegar used in the dressing.

Variation

You can customize this casserole by adding ingredients such as sliced jalapeños for a spicy kick or green bell peppers for some extra flavor and color.

FAQs

Can I use other types of cheese?
Yes, while Swiss cheese is traditional for a Reuben, you could substitute with other cheeses like cheddar or provolone if you prefer.

Is this recipe gluten-free?
Yes, this Keto Reuben Casserole is gluten-free if you ensure all sauces and ingredients are labeled gluten-free.

Can I make this ahead of time?
Absolutely! You can assemble the casserole in advance, cover it tightly, and refrigerate it for a day or two. Just bake it when you’re ready to enjoy.

Keto Reuben Casserole

A delightful, low-carb twist on the classic Reuben sandwich, combining savory corned beef, tangy sauerkraut, and gooey Swiss cheese.
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings: 6 servings
Course: Dinner, Main Course
Cuisine: American
Calories: 450

Ingredients
  

Main Ingredients
  • 1 pound Deli Corn Beef, chopped
  • 1 Cup Sauerkraut, drained
  • 2 Cups Shredded Swiss cheese
Dressing Ingredients
  • ½ Cup Mayonnaise
  • 4 Tablespoons Ketchup (sugar-free for keto)
  • 2 Tablespoons Minced white onion
  • 2 teaspoon sugar-free granulated sweetener
  • 2 teaspoon Dill Pickle Relish
  • 2 teaspoon White vinegar

Method
 

Preparation
  1. Preheat the oven to 400°F (200°C).
  2. In a small bowl, mix together mayonnaise, ketchup, minced onion, sweetener, relish, and vinegar.
  3. Spray a 9 x 13 dish lightly with cooking spray. Layer the chopped corned beef at the bottom of the dish.
  4. Evenly add the drained sauerkraut over the beef.
  5. Spread the prepared sauce over the sauerkraut layer.
  6. Sprinkle the shredded Swiss cheese generously on top.
  7. Bake the casserole in the preheated oven for 20 minutes, or until the cheese is bubbly and golden. Serve immediately.

Notes

Best enjoyed fresh out of the oven, serve hot with a side salad or vegetable sticks. For extra crunch, consider adding crushed pork rinds on top before baking. This dish can be customized with jalapeños or bell peppers for extra flavor.

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