As I stirred the pot of bubbling broth, the room filled with the irresistible aroma of earthy onions and zesty garlic, instantly transporting me to a cozy corner deli. Today, I’m thrilled to share my Cheesy Keto Reuben Soup, a heartwarming low-carb soup that merges the classic flavors of a beloved Reuben sandwich with a creamy, spoonable twist. With just 5g net carbs per serving, this quick-prep dish is perfect for those enrolled in a keto journey or anyone simply looking for a satisfying meal that’s done in under 30 minutes. Imagine cozying up to a bowl of this rich, savory goodness, complete with tangy sauerkraut and melty Swiss cheese—it’s comfort food redefined! Are you ready to dive into this cozy culinary adventure?

Why is Keto Reuben Soup a must-try?

Comforting, Creamy Goodness: Dive into a bowl of this rich, savory delight that captures the essence of the classic Reuben sandwich in a low-carb format.

 

Quick and Easy: Whip up this delightful soup in just 30 minutes, perfect for busy weeknights when you want comfort without the hassle.

Healthy Twist: With only 5g net carbs per serving, this soup is a brilliant choice for anyone following a keto lifestyle that craves flavor without the carbs!

Versatile Ingredients: Feel free to mix things up—substitute corned beef with shredded chicken or add some spice with jalapeños for a kick! For another comforting option, check out my Crockpot Chicken Soup or Savory Satay Soup.

Crowd-Pleasing Flavor: This soup is sure to impress your family and friends, making it a perfect dish to share at gatherings or meal-prepping for the week ahead.

Keto Reuben Soup Ingredients

• Dive into this delightful low-carb dish with these key ingredients!

For the Base
Butter – Adds richness and flavor; use unsalted for better salt control.
Onion – Provides aromatic depth; fresh chopped onion is ideal for maximum flavor.
Celery – Adds crunch and flavor profile; feel free to substitute with green bell pepper.
Garlic – Enhances overall taste; fresh minced garlic brings a vibrant kick.

For the Soup
Beef Broth – Forms the hearty base; opt for low-sodium varieties to manage salt levels.
Heavy Whipping Cream – Creates that luscious, creamy texture; coconut milk (not the entire can) makes a great dairy-free alternative.
Sauerkraut – Provides tanginess and gut health benefits; make sure it’s well-drained to avoid excess liquid.
Chopped Corned Beef Deli Meat – Infuses authentic Reuben flavor and protein; any cooked corned beef is a suitable substitute.

For the Topping
Shredded Swiss Cheese – Adds melty, cheesy goodness; consider Gruyère for a different flavor twist.

Unleash the flavors of this Keto Reuben Soup in your kitchen and enjoy the comforting warmth it brings to your meal!

Step‑by‑Step Instructions for Cheesy Keto Reuben Soup

Step 1: Melt the Butter
Begin by melting 2 tablespoons of unsalted butter in a large pot over medium heat. Allow the butter to foam and then bubble gently, signaling that it’s ready. The rich aroma of melted butter will fill the air, creating a warm base for your Cheesy Keto Reuben Soup.

Step 2: Sauté the Vegetables
Add one finely chopped onion and one diced celery stalk to the pot, stirring occasionally. Sauté the vegetables for about 5 minutes, until they turn translucent and tender. This aromatic mixture will provide a flavorful foundation for your soup, enhancing its cozy character as it cooks.

Step 3: Add Garlic
Next, toss in 2 minced garlic cloves, cooking for an additional 30 seconds. Stir the mixture continuously to prevent the garlic from burning, allowing its fragrant oils to release. The air will be filled with a delightful garlicky scent, elevating your Cheesy Keto Reuben Soup to new heights of flavor.

Step 4: Pour in Broth and Cream
Carefully stir in 4 cups of beef broth and 1 cup of heavy whipping cream, mixing thoroughly to combine. Raise the heat slightly to bring the soup to a gentle simmer. The creamy texture will begin to develop, creating a luxurious backdrop for the tangy ingredients to come in the Cheesy Keto Reuben Soup.

Step 5: Incorporate Sauerkraut and Corned Beef
Add 1 cup of well-drained sauerkraut and 2 cups of chopped corned beef to the simmering pot. Season with salt and pepper to taste, then stir gently to combine all the ingredients. Allow the mixture to warm through, about 3 to 5 minutes, resulting in a savory blend that perfectly encapsulates the essence of a Reuben sandwich.

Step 6: Simmer to Perfection
Cover the pot and let the soup simmer for 20 minutes, stirring occasionally to prevent sticking. This will allow the flavors to meld beautifully while the soup thickens slightly. Keep an eye on the bubbling soup, as its inviting aroma continues to fill your kitchen, promising a delightful meal ahead.

Step 7: Serve and Add Cheese
Once the time has passed, ladle the hot Cheesy Keto Reuben Soup into bowls. Top each serving with a generous handful of shredded Swiss cheese, allowing it to melt into the soup’s warmth. The result is a creamy, rich bowl of goodness that dares you to savor every last bite.

Storage Tips for Keto Reuben Soup

Fridge: Store your Keto Reuben Soup in an airtight container for up to 1 week. Be sure to let it cool completely before sealing, keeping flavors fresh.

Freezer: For longer storage, freeze the soup in portions for up to 3 months. Use freezer-safe containers, leaving some space at the top as it expands.

Reheating: When ready to enjoy, reheat on the stove over medium heat, stirring occasionally until warmed through. You can also microwave it in 1-minute intervals, adding a splash of broth or cream if it’s too thick.

Leftovers: This soup tastes even better the next day as the flavors meld! Just keep it properly stored for maximum enjoyment.

Expert Tips for Perfect Keto Reuben Soup

Mind the Heat: Keep your cooking temperature at medium to avoid burning the garlic and vegetables, ensuring a well-balanced flavor in your Keto Reuben Soup.

Veggie Variations: Don’t hesitate to swap out the celery for green bell peppers or even carrots for an unexpected twist and added sweetness!

Creamy Consistency: For the ideal texture, incorporate the heavy cream gradually; this prevents separation and ensures a smooth blend in your soup.

Sauerkraut Secret: Always drain your sauerkraut well before adding it to the soup—less moisture keeps your Keto Reuben Soup thick and hearty!

Flavor Boost: Add a dash of Worcestershire sauce or hot sauce during simmering for an extra depth of flavor that enhances the tanginess of the sauerkraut.

Make Ahead Options

Busy home cooks will love that this Cheesy Keto Reuben Soup is perfect for meal prep! You can prepare the soup base (butter, onions, celery, garlic, beef broth, and heavy cream) up to 24 hours in advance. Simply combine these ingredients, let them cool, and store in an airtight container in the refrigerator. This will save you precious cooking time when you’re ready to finish the dish! When it’s time to eat, just reheat the soup gently on the stove, add the well-drained sauerkraut and chopped corned beef, and simmer for about 5 minutes before serving. By prepping ahead, you ensure your low-carb Keto Reuben Soup is just as delicious on day two as it is fresh from the pot!

Variations & Substitutions for Keto Reuben Soup

Feel free to customize your Keto Reuben Soup with these fun variations that enhance flavor and cater to your preferences!

  • Shredded Chicken: Substitute corned beef for shredded chicken for a lighter option that’s still packed with flavor. This twist creates a delightful change while keeping it hearty!

  • Spicy Kick: Add diced jalapeños or a sprinkle of cayenne pepper for added heat. This delicious tweak will awaken your taste buds and give the soup an exciting twist.

  • Dairy-Free Delight: Swap heavy cream with coconut milk for a dairy-free version while offering a subtle nuttiness. Ensure to adjust vinegar levels for balance, enhancing that unique tang!

  • Vegetable Boost: Incorporate diced bell peppers or even diced carrots for added sweetness and crunch. Not only does this enhance nutrition, but it also introduces vibrant colors to your soup!

  • Different Cheeses: Experiment with different shredded cheeses like provolone or mozzarella instead of Swiss. Each offers a unique flavor and melting experience, enticing even the most discerning cheese lovers.

  • Herb Infusion: Add a tablespoon of fresh dill or thyme during simmering for an aromatic herbal boost. The fresh flavors will elevate your soup, providing a delightful contrast to its creamy richness.

  • Bacon Crunch: Top your soup with crispy bacon bits for a savory crunch. This rich addition will enhance the overall texture and flavor profile, making each bite even more enjoyable.

  • Savory Sauerkraut Twist: Infuse extra flavor by adding a bit of mustard to your sauerkraut before mixing it in. It adds an unexpected tanginess that beautifully complements the creamy elements.

For more comforting soup inspiration, try my Lemon Chicken Soup or savor a bowl of Street Corn Soup. The possibilities are endless, so get creative and enjoy!

What to Serve with Cheesy Keto Reuben Soup?

Imagine curling up with a hearty bowl of comforting goodness; here’s how to elevate your meal experience!

  • Pork Rinds: Add a satisfying crunch that perfectly contrasts the creamy soup, making each bite delightful.
  • Cheese Crisps: Light yet crunchy, these will provide an irresistible cheese flavor that complements the melty Swiss in the soup.
  • Pumpkin Breadsticks: Soft and slightly sweet, these are perfect for dipping and soaking up the rich broth.
  • Classic Side Salad: A fresh mix of greens with a tangy vinaigrette balances the heaviness of the soup while adding vibrant color.
  • Spicy Pickles: Their tangy crunch enhances the flavors of the Reuben, acting as a refreshing palate cleanser.
  • Keto-Friendly Dessert: End the meal with a sugar-free chocolate mousse for a rich treat that keeps the low-carb theme intact.
  • Crafted Mocktail: A sparkling drink with fresh herbs and citrus elevates your dining experience, perfect for a cozy evening.

Cheesy Keto Reuben Soup Recipe FAQs

What is the best way to select the right ingredients for this soup?
Absolutely! For the best flavors in your Cheesy Keto Reuben Soup, choose fresh, high-quality ingredients. Look for firm, vibrant onions without dark spots, and opt for a crisp stalk of celery. The sauerkraut should be well-drained and have a bright color, and the corned beef should be fresh from the deli—ask for a slice that has good marbling for maximum flavor!

How should I store leftover Keto Reuben Soup?
You can store your delicious Keto Reuben Soup in an airtight container in the fridge for up to 7 days. Make sure it cools completely before sealing it up. For longer storage, you can freeze it in portions for up to 3 months—just leave a little space at the top of the container so it can expand.

Can I freeze this soup, and how?
Certainly! To freeze your Cheesy Keto Reuben Soup, first allow it to cool completely. Portion it into freezer-safe containers, leaving some room at the top as the soup expands. It can be stored for up to 3 months. When you’re ready to enjoy, just thaw in the fridge overnight, and then reheat on the stove or in the microwave.

What should I do if my soup turns out too thick?
No worries! If your Keto Reuben Soup is too thick, simply add a splash of beef broth or heavy cream while reheating it. Stir until the consistency is just right. You can also add a little water, but remember to balance the flavors by tasting and adjusting seasoning as necessary.

Are there any dietary considerations I should keep in mind?
Yes, definitely! This soup is keto-friendly with only 5g net carbs per serving, making it suitable for low-carb diets. Always check if your corned beef or other ingredients contain any allergens. For those with dairy intolerance, you can substitute heavy cream with coconut milk, just keep the flavors balanced by adding a tablespoon of sauerkraut.

Keto Reuben Soup

Creamy Keto Reuben Soup: A Low-Carb Comfort Classic

Enjoy the delightful taste of Keto Reuben Soup, a creamy and comforting low-carb meal perfect for your keto journey.
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings: 4 bowls
Course: Dinner
Cuisine: American
Calories: 350

Ingredients
  

For the Base
  • 2 tablespoons unsalted butter Adds richness and flavor.
  • 1 medium onion Finely chopped for maximum flavor.
  • 1 stalk celery Diced; can substitute with green bell pepper.
  • 2 cloves garlic Minced for vibrant taste.
For the Soup
  • 4 cups beef broth Use low-sodium varieties.
  • 1 cup heavy whipping cream For creamy texture; coconut milk is a dairy-free alternative.
  • 1 cup sauerkraut Well-drained for best results.
  • 2 cups chopped corned beef deli meat Infuses authentic Reuben flavor.
For the Topping
  • 1 cup shredded Swiss cheese Consider Gruyère for a different flavor.

Equipment

  • Large pot

Method
 

Step‑by‑Step Instructions
  1. Melt the butter in a large pot over medium heat until foamy.
  2. Sauté onion and celery for about 5 minutes until translucent.
  3. Add minced garlic and cook for an additional 30 seconds.
  4. Pour in beef broth and heavy whipping cream; bring to a gentle simmer.
  5. Incorporate well-drained sauerkraut and corned beef, season with salt and pepper.
  6. Cover and simmer for 20 minutes, stirring occasionally.
  7. Serve hot with shredded Swiss cheese on top to melt.

Nutrition

Serving: 1bowlCalories: 350kcalCarbohydrates: 5gProtein: 20gFat: 30gSaturated Fat: 15gPolyunsaturated Fat: 1gMonounsaturated Fat: 5gCholesterol: 90mgSodium: 800mgPotassium: 500mgFiber: 1gSugar: 2gVitamin A: 600IUVitamin C: 5mgCalcium: 200mgIron: 3mg

Notes

This soup tastes even better the next day; just keep it properly stored for maximum enjoyment.

Tried this recipe?

Let us know how it was!