Ingredients You’ll Need
- Butter – for sautéing and building flavor
- Onion – finely chopped
- Garlic – minced
- All-purpose flour – to thicken the soup
- Chicken or beef broth – for a rich base
- Heavy cream – for creaminess
- Corned beef – chopped into bite-size pieces
- Sauerkraut – drained well
- Swiss cheese – shredded
- Dijon mustard – for that classic Reuben tang
- Salt and black pepper – to taste
- Optional garnish: rye bread croutons, chopped parsley, or extra cheese
Step-by-Step Method
Step 1: Sauté the Aromatics
In a large pot or Dutch oven, melt butter over medium heat. Add the chopped onion and cook until soft and translucent, stirring occasionally. This step builds the savory base of the soup. Add the minced garlic and cook for about 30 seconds, just until fragrant.
Step 2: Create the Roux
Sprinkle the flour over the onion and garlic mixture. Stir continuously for 1–2 minutes to cook off the raw flour taste. This roux will give the soup its creamy, velvety texture.
Step 3: Add the Broth Slowly
Gradually pour in the broth while whisking constantly to prevent lumps. Keep stirring as the mixture thickens slightly. Bring it to a gentle simmer, allowing the flavors to start blending.
Step 4: Stir in the Cream
Lower the heat and add the heavy cream. Stir well and let the soup warm through without boiling. This step transforms the base into a rich, creamy foundation.
Step 5: Add the Reuben Fillings
Gently stir in the chopped corned beef and drained sauerkraut. These are the heart of the soup, delivering that unmistakable Reuben flavor. Let the soup simmer for a few minutes so everything heats evenly.
Step 6: Melt in the Cheese
Add the shredded Swiss cheese a handful at a time, stirring until fully melted and smooth. This ensures the soup stays creamy and doesn’t become grainy.
Step 7: Season and Finish
Stir in Dijon mustard, then season with salt and black pepper to taste. Adjust seasoning carefully—corned beef and sauerkraut already add saltiness.
Step 8: Serve and Enjoy
Ladle the soup into bowls and garnish with rye bread croutons, extra Swiss cheese, or fresh parsley if desired. Serve hot for maximum comfort.
Serving Suggestions
This soup pairs beautifully with:
- Toasted rye bread or grilled cheese
- A simple green salad
- Pickles or coleslaw on the side for a deli-style meal
Final Thoughts
The Easy Creamy Reuben Soup is everything you love about the classic sandwich, transformed into a warm, indulgent dish that’s perfect for soup season. It’s rich without being complicated, bold yet comforting, and guaranteed to satisfy anyone who enjoys classic deli flavors. One spoonful, and you’ll see why this soup deserves a spot in your regular meal rotation.
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