Delicious Reuben Soup Recipe tastes like a cozy deli sandwich melted into a creamy, tangy bowl of comfort, with all the corned beef, sauerkraut, and Swiss goodness you crave. It works perfectly for busy weeknights or casual weekend dinners and takes about 40–45 minutes from chopping board to table. I tested this version on my own family of Reuben fanatics, and they scraped the pot so clean I almost didn’t need to wash it.

Why Delicious Reuben Soup Recipe Is Worth It

This soup gives you all the flavor of a classic Reuben sandwich without juggling a hot griddle and a pile of bread slices. You get tender bites of corned beef, melty Swiss cheese, tangy sauerkraut, and a creamy broth that tastes like Thousand Island met a cozy chowder.

It works well for game days, St. Patrick’s Day leftovers, or any night you crave deli flavors in a spoon. You also use one pot, which means fewer dishes and more couch time.

“This Delicious Reuben Soup Recipe tastes like my favorite deli sandwich in a bowl and had everyone going back for seconds. ★★★★★”

Ingredients You Need

Meats & Dairy

1 tablespoon butter (salted or unsalted both work)
1 tablespoon olive oil
1 pound corned beef, chopped or shredded
- Use deli-sliced corned beef in a pinch.
- Leftover corned beef from St. Patrick’s Day works beautifully.
1 cup shredded Swiss cheese
- I like to shred a block of Swiss because it melts smoother than pre-shredded.
1/2 cup heavy cream
- Use half-and-half for a lighter version.

Vegetables & Flavor Base

1 medium yellow onion, finely diced
2 ribs celery, finely diced
2 cloves garlic, minced
1 1/2 cups sauerkraut, drained and lightly squeezed
- Use a bagged refrigerated brand for brighter flavor.
- Rinse briefly if you want a milder tang.
2 tablespoons tomato paste
- Tube tomato paste works well and keeps in the fridge.

Broth & Seasoning

4 cups low-sodium beef broth
- Chicken broth works if you prefer a lighter flavor.
1 cup water (adjust for thicker or thinner soup)
1 teaspoon caraway seeds
- This gives that “rye bread” flavor.
1 teaspoon smoked paprika
1 teaspoon onion powder
1 teaspoon garlic powder
1–1 1/2 teaspoons kosher salt, to taste
1/2 teaspoon black pepper
1–2 tablespoons brown sugar or honey
- This balances the sauerkraut tang; adjust to taste.
1/3 cup Thousand Island dressing
- Use your favorite brand; I like a thicker style so the soup stays rich.

Thickener

2 tablespoons all-purpose flour
- Use cornstarch for gluten-free (see variations).
1/2 cup milk (any dairy milk, whole tastes best)

Optional Garnishes

Extra shredded Swiss cheese
Rye croutons or toasted rye bread cubes
Chopped fresh parsley
Extra Thousand Island drizzle

Helpful Equipment

Large heavy-bottomed soup pot or Dutch oven (5–6 quart)
Wooden spoon or silicone spatula
Sharp chef’s knife and cutting board
Ladle
Small bowl or measuring cup for slurry (flour + milk)

Quick Tips & substitutions

Use deli corned beef when you want this Delicious Reuben Soup Recipe on the table fast.
Chop corned beef into small bite-size pieces so every spoonful tastes balanced.
Drain and lightly squeeze sauerkraut so the soup tastes tangy, not sour.
Rinse sauerkraut briefly if you cook for people who fear strong cabbage flavor.
Swap beef broth with chicken broth if you want a lighter, less “deli” flavor.
Use half-and-half instead of heavy cream for a slightly lighter soup.
Use cornstarch mixed with cold milk instead of flour if you need a gluten-free option.
Skip Thousand Island and add extra tomato paste plus a teaspoon of sugar if you prefer less sweetness.
Toast rye bread in the oven and cut it into cubes for quick homemade croutons.
Shred Swiss cheese from a block so it melts smoothly and doesn’t clump.
Add extra water or broth if the soup thickens more than you like.
Taste at the end and adjust salt only after the soup simmers, since corned beef and sauerkraut both bring salt.

How to Make Delicious Reuben Soup Recipe

Step 1: Prep the Ingredients

Chop the corned beef into small bite-size pieces or shred it if it falls apart easily. Dice the onion and celery, and mince the garlic. Drain the sauerkraut and gently squeeze out extra liquid with your hands or a clean towel.

Shred the Swiss cheese and set it aside in the fridge so it stays cool. Measure out the broth, cream, and Thousand Island dressing. Stir the flour and milk together in a small bowl until no lumps remain.

Step 2: Build the Flavor Base

Heat the butter and olive oil in your soup pot over medium heat. Add the diced onion and celery, then cook 5–7 minutes until they turn soft and lightly golden around the edges. Stir in the garlic and cook about 30 seconds so it smells fragrant.

Add the tomato paste and stir it into the vegetables. Cook 1–2 minutes so the tomato paste darkens slightly and tastes richer. Sprinkle in the caraway seeds, smoked paprika, onion powder, and garlic powder, and stir again.

Step 3: Add Broth, Corned Beef, and Sauerkraut

Add the chopped corned beef to the pot and stir so it mixes with the vegetables and spices. Pour in the beef broth and water, then add the sauerkraut. Stir well and scrape the bottom of the pot to pick up any browned bits.

Add the brown sugar or honey and black pepper. Bring the soup to a gentle boil, then lower the heat to a steady simmer. Let it simmer 10–15 minutes so the flavors mingle and the caraway softens.

Step 4: Thicken and Add Creaminess

Give the flour-and-milk mixture a quick stir, then slowly pour it into the simmering soup while you stir. Keep stirring for 2–3 minutes as the soup thickens slightly. Add the heavy cream and Thousand Island dressing, then stir until the broth looks smooth and creamy.

Taste the soup and add salt as needed. Simmer another 5 minutes so everything comes together. Keep the heat at a gentle simmer so the dairy stays smooth.

Step 5: Melt in the Swiss Cheese

Lower the heat to low. Add the shredded Swiss cheese in small handfuls, stirring after each addition. Let the cheese melt fully before you add more so the soup stays silky.

Once the cheese melts and the soup looks rich and slightly stretchy, turn off the heat. Taste again and adjust salt, pepper, or a touch more brown sugar if the soup tastes too sharp. The soup should taste creamy, tangy, and savory with a hint of rye from the caraway.

Step 6: Serve

Ladle the Delicious Reuben Soup Recipe into warm bowls. Top with extra shredded Swiss, rye croutons, and a sprinkle of parsley if you like. Add a tiny drizzle of Thousand Island on top for a deli-style finish.

Serve with extra toasted rye bread on the side for dunking. Enjoy while it stays hot and cheesy, because the texture tastes best right after cooking.

Recipe Variations

Gluten-free:
- Use cornstarch instead of flour (mix 1 1/2 tablespoons cornstarch with 1/2 cup cold milk).
- Use gluten-free rye-style bread or gluten-free croutons for topping.
Vegan-style twist:
- Use plant-based corned “beef” or smoked tofu cubes.
- Swap beef broth with vegetable broth and use coconut milk or cashew cream instead of dairy.
- Use vegan Swiss-style cheese and a vegan Thousand Island dressing.
Low carb:
- Skip the flour and use a smaller amount of heavy cream for richness.
- Add extra corned beef and sauerkraut to keep it hearty without starch.
Extra hearty:
- Add diced cooked potatoes or cauliflower florets.
- Stir in a handful of shredded cabbage along with the sauerkraut.
Spicier version:
- Add a pinch of red pepper flakes or a spoonful of hot sauce.
- Use a spicy Thousand Island or Russian dressing.

Ways to Serve Delicious Reuben Soup Recipe

With toasted rye bread or rye croutons for crunch.
Alongside a simple green salad with a light vinaigrette.
With grilled cheese made on rye or pumpernickel bread.
With a side of roasted potatoes or oven fries.
In small cups as a starter for a deli-style dinner spread.

Storage Success

Cool the Delicious Reuben Soup Recipe until it reaches room temperature, then store it in airtight containers in the fridge for up to 3–4 days. Reheat gently on the stove over low to medium-low heat and stir often so the cheese melts smoothly again. Add a splash of broth or milk if the soup thickens in the fridge. Freeze leftovers up to 2 months, and thaw overnight in the fridge before you reheat on the stove.