This breadless skillet dinner brings together corned beef, sauerkraut, cabbage, creamy Russian dressing, and melted Swiss cheese with toasted caraway for classic deli flavor.
Keto reuben casserole turns a favorite sandwich combination into a warm, saucy skillet meal without rye bread. Tender-crisp cabbage gives the filling structure while the corned beef and Swiss keep every bite rich and savory.
The dressing is tangy, the cheese turns bubbly, and caraway adds that unmistakable deli aroma. The moisture trick makes all the difference.
Press the sauerkraut firmly before cooking so excess brine does not collect beneath the cheese.
Essential Ingredients for Low-Carb Reuben Skillet
Each ingredient has a job here: creamy dressing balances tangy kraut, cabbage provides structure, caraway builds aroma, and Swiss cheese creates the rich melted finish.
- 1/3 cup mayonnaise
- 2 tbsp finely diced dill pickles
- 1 tbsp tomato paste
- 2 tsp Swerve Brown (or other sweetener)
- 1/4 tsp ground cumin
- 1/8 tsp ground cloves
- 2 tbsp salted butter
- 1/2 tsp caraway seeds
- 4 cups finely shredded cabbage
- 1 cup sauerkraut (drained)
- 12 oz corned beef (coarsely chopped)
- 6 oz sliced Swiss cheese
Corned Beef & Pastrami Selection
Choose sliced deli corned beef that looks meaty rather than wet, or use chopped leftover corned beef brisket. Both give the skillet its salty, savory center. Check deli meat labels when carb content matters, since some cured meats contain sweet glazes or added dextrose.
Swiss is especially good here because sliced cheese melts into an even blanket over the warm filling. Its nutty flavor softens the sharp edge of sauerkraut without covering up the corned beef.
Sauerkraut & Cabbage Base
Finely shredded cabbage takes the place of bread by adding bulk and a gentle crunch. Sauerkraut brings the familiar bright, fermented tang, but it needs a thorough press first. Cabbage-and-cheese fans may also enjoy this cheesy cabbage casserole for another comforting way to use the vegetable.
I prefer sauerkraut packed in brine over overly soft canned styles because it keeps a cleaner tang after draining, but either can work when pressed very dry.
Keto Russian Dressing Components
Mayonnaise makes the dressing smooth and rich, while tomato paste adds color and a concentrated savory note. Dill pickles sharpen the mixture, the sweetener rounds out their acidity, and cumin with cloves gives the dressing a warm, spiced finish.
Toasted caraway is the small but mighty rye-bread cue. Heating the seeds in butter releases their herbal aroma before the cabbage goes in, so that flavor spreads through the whole skillet instead of sitting on top.
How to Make Keto Reuben Casserole
This stovetop method keeps the cabbage from turning watery and melts the cheese gently over the layered filling. Use a lid that fits the skillet well for the final melt.
Keto Russian Dressing
- Combine the mayonnaise, dill pickles, tomato paste, sweetener, cumin, and cloves in a medium bowl, then whisk until smooth.
The dressing should look evenly blended, with the pickle pieces suspended throughout the creamy mixture.
Casserole
- Warm a 10-inch skillet over medium heat, melt the butter, then stir in the caraway seeds and cook for about 30 seconds.
The seeds should smell fragrant and herbal as the butter lightly bubbles around them. - Add the shredded cabbage and turn it through the caraway butter, cooking for 3 to 5 minutes.
Stop when the shreds are glossy and softened but still have a little bite. - Fold in the drained sauerkraut, then spread the cabbage mixture across the skillet and lower the heat to medium-low.
The vegetable layer should cover the bottom evenly without a pool of liquid gathering at the edges. - Arrange the chopped corned beef over the cabbage, spoon the prepared dressing across it, and cover with the Swiss cheese slices.
Cover the skillet and cook for 5 minutes, until the cheese is fully melted and gently bubbling around the edges.
If you prefer an oven-finished presentation, use an oven-safe skillet or transfer the assembled filling to an oven-safe dish after the cabbage is cooked. Keep the focus on an even cheese melt rather than prolonged baking, which can soften the cabbage too much.
Expert Tips for Preventing a Soggy Casserole

A rich Reuben skillet should be saucy, not soupy. Most excess liquid comes from sauerkraut and undercooked cabbage, so deal with that moisture before the cheese goes on.
- Watery sauerkraut: Put it in a fine-mesh sieve and press firmly with paper towels or a clean kitchen towel. If it still feels wet, squeeze it again before adding it to the pan.
- Soft, limp cabbage: Give the shredded cabbage time to sauté in the butter until it turns glossy and tender-crisp. This cooks off some of its internal moisture while preserving texture.
- Liquid under the cheese: Spread the cabbage and kraut in an even layer before adding corned beef, dressing, and Swiss. A level base helps the topping melt evenly instead of sliding into one wet spot.
- Messy scoops: Let the covered skillet stand briefly off the heat before serving. The cheese settles slightly, making each portion easier to lift.
Flavor Variations & Custom Protein Swaps
Keep the skillet recipe as written for the classic flavor, then use one of these optional directions when you want a different deli-style profile.
Smoky Pastrami & Corned Beef Combo
Replace part of the corned beef with chopped pastrami for a smokier, pepperier meat layer. Pastrami has a bolder spice profile, so it works best when you want the caraway and tangy dressing to taste more assertive.
Low-Carb Turkey Rachel Skillet
Use sliced roasted turkey breast in place of corned beef for a Rachel-style skillet. Turkey creates a milder, lighter deli flavor, while Swiss and sauerkraut keep the meal firmly in Reuben territory.
Roasted Cauliflower Reuben Bake
For a different vegetable base, use roasted cauliflower florets instead of shredded cabbage. Roast the florets until tender and lightly browned, then layer them with sauerkraut, meat, dressing, and cheese. A keto cauliflower casserole is another useful option when you want a cauliflower-centered comfort meal.
Storing and Reheating Leftovers

Cool leftovers before transferring them to an airtight container, then keep them chilled. Store the skillet filling in portions when possible so you can reheat only what you plan to eat and avoid repeatedly warming the whole dish.
For the best texture, reheat gently in a covered skillet over low heat until the filling is hot and the cheese softens again. An oven-safe dish also works for reheating when you want the cheese layer to melt evenly; microwaving is convenient but can make the cabbage softer.
Prepare the dressing and drain the sauerkraut close to cooking time when you can. Keeping the wet and dry components separate until assembly protects the cabbage from becoming soggy.
Serving Suggestions & Low-Carb Side Dishes

The rich, salty filling tastes best with a crisp or bright side that refreshes the palate between bites.
- Serve it with a leafy green salad dressed in a light vinaigrette for contrast.
- Add steamed asparagus with black pepper or roasted green beans for a simple vegetable side.
- Spoon the warm filling over toasted keto bread for an open-faced deli-style plate.
- Offer plain seed crackers alongside the skillet when you want a crunchy scoopable option.
Enjoying the Ultimate Low-Carb Reuben Skillet
This skillet captures the best parts of a Reuben: savory corned beef, sharp sauerkraut, creamy tangy dressing, aromatic caraway, and a melted Swiss topping. The sautéed cabbage keeps it hearty without relying on bread.
Make it your own with a different melting cheese or a little more heat in the dressing if that suits your table. It is a satisfying choice when a quick skillet dinner needs serious deli flavor.
Frequently Asked Questions
Can You Make a Reuben Casserole Without Rye Bread?
Yes. Shredded cabbage provides the hearty base that bread would normally offer, while caraway seeds give the skillet its recognizable rye-like aroma. The result has the savory, tangy character of a Reuben without wheat bread.
How Do You Keep Sauerkraut From Making the Casserole Watery?
Drain it well, then press it firmly in a fine-mesh strainer with paper towels or a clean kitchen towel. Sauté the cabbage before layering everything else, and do not skip the brief rest after cooking.
What Is the Difference Between Russian and Thousand Island Dressing on Keto?
Russian dressing is usually tangier and spicier, often leaning on pickle flavor and warm seasonings. Thousand Island is typically sweeter and creamier. Either can fit a low-carb meal when made without added sugar, but the Russian-style dressing here gives a more traditional Reuben flavor.
What Cheese Can I Use if I Dislike Swiss Cheese?
Try provolone, muenster, havarti, or white cheddar. Choose a cheese that melts smoothly and has enough character to stand up to sauerkraut and corned beef without becoming overly sharp.
Can You Freeze Leftover Keto Reuben Casserole?
This dish is best kept chilled and reheated while the cabbage and cheese still hold their texture. Dairy, sauerkraut, and cooked cabbage can release moisture after freezing and thawing, which may leave the filling softer and wetter than intended.

Keto Reuben Casserole
Equipment
- 10-inch skillet with lid
- Medium bowl
- Whisk
Ingredients
- 1/3 cup mayonnaise
- 2 tbsp finely diced dill pickles
- 1 tbsp tomato paste
- 2 tsp Swerve Brown (or other sweetener)
- 1/4 tsp ground cumin
- 1/8 tsp ground cloves
- 2 tbsp salted butter
- 1/2 tsp caraway seeds
- 4 cups finely shredded cabbage
- 1 cup sauerkraut (drained)
- 12 oz corned beef (coarsely chopped)
- 6 oz sliced Swiss cheese
Instructions
Keto Russian Dressing
- Combine the mayonnaise, dill pickles, tomato paste, sweetener, cumin, and cloves in a medium bowl, then whisk until smooth. The dressing should look evenly blended, with the pickle pieces suspended throughout the creamy mixture.
Casserole
- Warm a 10-inch skillet over medium heat, melt the butter, then stir in the caraway seeds and cook for about 30 seconds. The seeds should smell fragrant and herbal as the butter lightly bubbles around them.
- Add the shredded cabbage and turn it through the caraway butter, cooking for 3 to 5 minutes. Stop when the shreds are glossy and softened but still have a little bite.
- Fold in the drained sauerkraut, then spread the cabbage mixture across the skillet and lower the heat to medium-low. The vegetable layer should cover the bottom evenly without a pool of liquid gathering at the edges.
- Arrange the chopped corned beef over the cabbage, spoon the prepared dressing across it, and cover with the Swiss cheese slices. Cover the skillet and cook for 5 minutes, until the cheese is fully melted and gently bubbling around the edges.











