Craving the classic flavors of a Reuben sandwich but adhering to a ketogenic lifestyle? Look no further! This incredibly delicious and satisfying Keto Reuben Soup captures all the beloved elements of the iconic deli favorite, transforming them into a warm, creamy, and deeply flavorful soup. Imagine tender corned beef, tangy sauerkraut, and rich Swiss cheese, all melded together in a luscious, savory broth – without a single piece of high-carb rye bread. With just 5g net carbs per serving, it’s the perfect low-carb solution for a comforting lunch or a hearty dinner that truly satisfies.

Indulge in the Ultimate Keto Reuben Soup Experience
This isn’t just any soup; it’s a culinary masterpiece that brings together the best parts of a Reuben sandwich in a bowl. Each spoonful is a symphony of flavors and textures, carefully crafted to be thick, creamy, and utterly irresistible. The journey begins with the aromatic foundation of earthy chopped onion and bold garlic, which are then enhanced by the distinct tang of sauerkraut. Savory, peppery corned beef adds a robust protein punch, while tart, nutty Swiss cheese melts into the rich base, creating a truly harmonious and complex profile.
Preparing this exquisite soup is surprisingly straightforward, making it an ideal choice for busy weeknights or when you simply need a quick, delicious meal. From start to finish, this comforting dish comes together in approximately 30-35 minutes of active cooking time. Its simplicity means you can enjoy a gourmet experience without spending hours in the kitchen, proving that healthy eating can also be incredibly convenient and flavorful.

Can You Make Reuben Soup in a Slow Cooker?
While this recipe is designed for quick stovetop preparation, the idea of a slow cooker Reuben soup is tempting for its hands-off appeal. You certainly could experiment with it! The main ingredient that benefits most from a longer, slower cook time is the corned beef, which would become incredibly tender, practically melting in your mouth. Other ingredients like onions, celery, and garlic would also deepen their flavors beautifully. However, some aspects, like the specific timing for adding the dairy to prevent separation and maintaining the perfect soup consistency, might require minor adjustments. If opting for a slow cooker, consider adding the heavy cream and Swiss cheese closer to the end of the cooking cycle to ensure the best texture and avoid curdling.
Achieving the Perfect Creamy Reuben Soup Texture (Keto-Friendly)
The signature creaminess of this Reuben soup is primarily achieved through the careful balance of rich heavy whipping cream and savory beef broth. As these ingredients meld and simmer, they create a luxuriously thick and comforting base that coats every component beautifully. For those following a ketogenic diet, heavy whipping cream is an excellent choice, providing a high-fat, low-carb foundation that enhances both flavor and satiety.

Dairy-Free Alternatives for a Creamy Keto Soup
If you’re looking for a dairy-free alternative to heavy whipping cream, full-fat canned coconut milk is your best bet for maintaining a rich, creamy texture. You’ll only need about 8 ounces (half a standard can) for this recipe. Keep in mind that coconut milk can impart a subtle nutty undertone to the soup. To balance this, we recommend slightly increasing the amount of sauerkraut, as its tangy notes will beautifully complement and offset any coconut flavor, ensuring the soup still tastes wonderfully authentic. Always opt for full-fat coconut milk (often found in the ethnic food aisle) for the best consistency, as the “light” versions are often too watery.
Savoring a Hearty Low-Carb Reuben Soup
There’s nothing quite like a hearty, warming soup to chase away the chill, and this Low-Carb Reuben Soup truly delivers. It’s generously packed with robust ingredients, designed to be incredibly filling and satisfying, making it a complete meal on its own. You’ll find yourself completely content after a bowl of this deliciousness, with no need for additional heavy sides.

Perfect Pairings and Serving Suggestions
While this soup is a meal in itself, sometimes a little something extra to dip or crunch is just what you need. For a truly keto-friendly experience, try munching on crispy pork rinds alongside your soup – their salty crunch is a fantastic contrast. Alternatively, homemade cheese crisps offer a savory, cheesy crunch that complements the soup beautifully. If you’re looking for something more substantial to dip, consider these unique low-carb pumpkin breadsticks – their savory flavor and sturdy texture make them perfect for scooping up every last drop of this rich soup.
For those who enjoy a side salad, a vibrant low-carb chicken cobb salad offers a delightful burst of fresh, tangy flavors that provide a refreshing counterpoint to the creamy soup. The crispness of the salad and the diverse textures will elevate your meal, making it an even more satisfying experience. A simple green salad with a creamy keto ranch or blue cheese dressing would also be a fantastic choice.
The Best Reuben Soup Recipe for Meal Prep & Storage
This Reuben soup isn’t just delicious; it’s also incredibly meal-prep friendly, making it a fantastic addition to your weekly rotation. Its flavors actually deepen and improve overnight, ensuring you have a convenient and satisfying meal ready to go for days. For optimal freshness and ease of storage, transfer individual servings into airtight containers, such as mason jars with screw-on lids. Stored properly in the refrigerator, this savory soup will remain fresh and delightful for up to a full week, making your meal planning effortless.

Reheating Your Delicious Reuben Soup
When it’s time to enjoy your refrigerated soup, you have a couple of reheating options. While the microwave offers a quick solution, we highly recommend warming it gently on the stovetop over medium-low heat. This method ensures more even heating and helps to preserve the soup’s creamy consistency and rich flavors, preventing any potential separation that can sometimes occur with microwave reheating. Stir occasionally until it’s heated through to your desired temperature. If the soup appears too thick upon reheating, you can add a splash of beef broth or water to achieve your preferred consistency.
Embrace the Health Benefits of Sauerkraut in Your Soup
Sauerkraut is more than just a tangy flavor enhancer in your Keto Reuben Soup; it’s a nutritional powerhouse, especially beneficial for those on a keto diet. This fermented cabbage is incredibly healthy, very low in carbohydrates, and loaded with essential nutrients. Its most notable benefit lies in its probiotic content – it’s teeming with beneficial microorganisms that are vital for a healthy gut microbiome. A balanced gut is crucial for overall health, impacting everything from digestion to immunity.

Beyond its probiotic qualities, sauerkraut boasts significant anti-inflammatory properties, further supporting digestive health and contributing to overall well-being. It’s also a surprisingly good source of zinc and magnesium, two minerals known for their positive impact on brain health, helping to alleviate stress and anxiety. Incorporating sauerkraut into your diet, like in this delicious soup, is a simple and effective way to boost your nutrient intake and support various bodily functions. When selecting sauerkraut, look for brands that are raw, unpasteurized, and refrigerated to ensure you’re getting the live, active cultures that provide these impressive health benefits.
Your Go-To Keto Reuben Soup Recipe
Ready to create this comforting masterpiece? Below, you’ll find the comprehensive list of ingredients and step-by-step instructions to guide you. Before diving into the detailed recipe card, take a moment to review these crucial tips and ingredient insights to ensure your soup turns out perfectly.
Tips for Success:
- Quality Corned Beef: Opt for high-quality deli-sliced corned beef, chopped into bite-sized pieces for the best texture and flavor.
- Fresh Sauerkraut: Use refrigerated sauerkraut for optimal probiotic benefits and a brighter, tangier flavor. Drain it well before adding to the soup.
- Gradual Cheese Addition: For the smoothest consistency, stir in the shredded Swiss cheese at the very end, allowing it to melt gently into the hot soup.
- Season to Taste: Always taste and adjust salt and pepper at the end. The saltiness of the corned beef and broth can vary.
Prep Time: 15 minutes
Cook Time: 30-35 minutes
Servings: 4
Net Carbs: 5 Net Carbs Per Serving
Ingredients You’ll Need:
- Unsalted Butter
- Chopped Onion
- Chopped Celery
- Minced Garlic
- Beef Broth
- Heavy Whipping Cream
- Sauerkraut
- Chopped Corned Beef Deli Meat
- Shredded Swiss Cheese
- Salt and Pepper (to taste)
Step-by-Step Instructions:
1. In a large pot or Dutch oven, melt the butter over medium heat on the stovetop. Ensure the butter is fully melted and shimmering but not browned.
2. Add the chopped onion and celery to the pot. Sauté for 5-7 minutes, stirring occasionally, until the vegetables soften and become translucent. This step builds a foundational flavor for the soup.

3. Introduce the minced garlic to the pot. Sauté for an additional 30 seconds to 1 minute, or until fragrant. Be careful not to burn the garlic, as this can make it bitter.

4. Pour in the beef broth and heavy whipping cream. Stir thoroughly to combine all the liquids and ensure a smooth, uniform base. Bring the mixture to a gentle simmer.

5. Stir in the drained sauerkraut and chopped corned beef. Season generously with salt and freshly ground black pepper to taste. Allow the flavors to meld together.

6. Cover the pot and reduce the heat to low. Let the soup gently simmer for 20 minutes, allowing all the ingredients to warm through and the flavors to fully develop.
7. Just before serving, stir in the shredded Swiss cheese until it melts completely and creates a wonderfully cheesy, creamy topping. Serve hot and enjoy!

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Keto Reuben Soup Recipe
Make a cheesy Keto Reuben Soup for lunch or dinner. Only 5g net carbs per serving and filled with corned beef and Swiss cheese, this hearty, low-carb dish is perfect for satisfying your cravings.
Dinner, Lunch, Soup
American
Keto Reuben Soup, Low Carb Soup, Reuben Soup, Corned Beef Soup
Ingredients
-
2
tbsp
Unsalted Butter -
1/2
cup
Chopped Onion -
1/3
cup
Chopped Celery -
2
tsp
Minced Garlic -
4
cups
Beef Broth -
1
cup
Heavy Whipping Cream -
1
cup
Sauerkraut -
8
ounces
Chopped Corned Beef Deli Meat -
1
cup
Shredded Swiss Cheese
(for topping) -
Salt and Pepper
(to taste)
Instructions
Place the butter in a large pot or Dutch oven over medium heat on the stove and melt it completely.
Add the chopped onion and celery to the pot and sauté, stirring occasionally, until they become tender and translucent, about 5-7 minutes.
Add the minced garlic into the pot and sauté for another 30 seconds to 1 minute, until fragrant, being careful not to burn it.
Pour the beef broth and heavy whipping cream into the pot. Stir well to combine all ingredients and bring the mixture to a gentle simmer.
Stir in the drained sauerkraut and chopped corned beef. Season with salt and pepper to taste.
Cover the pot and let the soup simmer on low heat for 20 minutes to allow the flavors to deepen and meld.
Before serving, top the soup with the shredded Swiss cheese and stir until it is fully melted and creamy. Serve hot and enjoy this delicious Keto Reuben Soup!
Recipe Notes
Calories: 345 kcal
Net Carbs: 5 Net Carbs Per Serving
The nutritional information for this recipe is calculated as a courtesy and is an approximate only. We cannot guarantee the accuracy of the nutritional information for any recipes on this site, as ingredient brands and preparation methods can vary.
Storage: Store leftover soup in an airtight container in the refrigerator for up to 5-7 days. Reheat gently on the stovetop for best results.
Dairy-Free Option: Substitute heavy whipping cream with 8 ounces of full-fat canned coconut milk. Increase sauerkraut slightly to balance any coconut flavor.
More Delicious Keto Soup Recipes to Explore
If you’ve fallen in love with the comforting flavors of this Cheesy Keto Reuben Soup, then you’re in for a treat! The world of low-carb soups is vast and exciting, offering an array of flavors to keep your keto journey delicious and diverse. We’ve curated a selection of our top-rated keto soup recipes that are sure to become new favorites. From hearty and savory to rich and creamy, there’s a perfect low-carb soup for every craving. Don’t limit yourself to just one – dive in and discover your next go-to keto meal!
- Creamy Keto Thai Chicken Soup
- Keto Creamy Beef Stroganoff Soup
- Keto Salmon Stew Recipe
- Easy Keto Chili Recipe
- Low-Carb Bacon Cauliflower Chowder
