This sauerkraut-forward soup is the kind of thing that warms you from the inside out: tangy, savory, and dotted with tender potatoes and browned Polish sausage. It’s a classic comfort-food bowl that’s perfect for chilly weeknights, an easy make-ahead meal, or when you want something a little different from the usual chicken noodle. If you appreciate robust, homestyle soups—think of it as a cousin to other hearty bowls like chicken mushroom wild rice soup—this sauerkraut soup will quickly become a go-to.
Why you’ll love this dish
This soup balances tang, smoke, and starch: the sauerkraut gives a bright acidity that cuts through the richness of the sausage, while potatoes make it filling without being heavy. It’s fast to pull together, relies on pantry-friendly spices (caraway and cumin), and is very forgiving on technique—great for cooks of all levels.
“A single-pot weeknight winner—zesty, comforting, and ready in less than an hour.” — home cook review
Perfect occasions:
- Cozy winter dinners and weekend family meals.
- Meal prep: it reheats beautifully for lunches.
- Serving after holiday roasts: a lighter, flavorful alternative.
The cooking process explained
At a glance, the soup is built in three phases: sweat aromatics, simmer vegetables in broth, then add browned sausage and sauerkraut to finish. There’s a brief sear step for the sausage to give texture and depth; otherwise most of the work is hands-off simmering. Total active time is mostly chopping and browning, with about 20–30 minutes of simmering so flavors can meld.
What you’ll need
- 2 tbsp olive oil, divided
- 1 medium onion, diced
- 3 cloves garlic, minced
- 4–5 red potatoes, peeled and cut into ½" pieces (about 1.5–2 lbs)
- 1 carrot, peeled and diced
- 4½ cups broth (chicken or beef) — use low-sodium if you plan to adjust salt later
- ½ tsp caraway seeds
- ½ tsp ground cumin
- ½ tsp sea salt (adjust to taste)
- ½ tsp ground black pepper
- 1 lb pre-cooked Polish sausage (kielbasa or smoked sausage), diced into bite-size pieces
- 1 cup sauerkraut, drained slightly (reserve a little of the sauerkraut juice if you want extra tang)
Notes and substitutions:
- Vegetarian option: swap sausage and chicken/beef broth for smoked tofu or tempeh and vegetable broth; add a splash of liquid smoke to mimic the smokiness.
- If you prefer a milder tang, rinse the sauerkraut briefly; for bolder flavor, add a tablespoon or two of sauerkraut juice.
Step-by-step instructions
- Heat 1 tablespoon olive oil in a heavy Dutch oven or large stockpot over medium heat. Add the diced onion and cook, stirring occasionally, until translucent, about 4–5 minutes.
- Add the minced garlic and cook 30–45 seconds until fragrant—don’t let it brown.
- Pour in the broth, then add the diced potatoes, diced carrot, caraway seeds, cumin, salt, and pepper. Turn the heat up to medium-high and bring the liquid to a rolling boil.
- Once boiling, cover the pot and reduce heat to low to maintain a gentle simmer. Cook until the potatoes and carrots are fork-tender, about 20 minutes.
- While the vegetables simmer, heat the remaining 1 tablespoon olive oil in a skillet over medium-high heat. Dice the pre-cooked Polish sausage into bite-size pieces and pan-sear for 5–7 minutes, turning occasionally, until edges are slightly browned and crispy. This adds texture and deeper flavor.
- When the vegetables are tender, add the seared sausage and 1 cup sauerkraut to the pot. Stir, bring back to a gentle simmer, and cook uncovered for 10 minutes so the flavors meld.
- Taste and adjust seasoning with additional salt and pepper as needed. Serve hot.
Timing tip: from start to table you’re looking at roughly 45 minutes; most of that is simmer time, so it’s easy to prep sides while the soup cooks.
Best ways to enjoy it
Serve the soup hot with crusty rye or sourdough to soak up the broth. A dollop of plain yogurt or sour cream on top softens the tang and adds creaminess for those who like it richer. For a fuller meal, offer boiled potatoes or a simple cucumber-dill salad on the side.
If you want to play with pairings, you can contrast the soup with lighter, broth-driven recipes—try it alongside an Italian-inspired bowl like easy creamy lasagna soup for a fun, international soup night where each bowl brings a different flavor profile.
Storage and reheating tips
- Refrigerator: Store cooled soup in airtight containers for up to 4 days. Because sauerkraut has active cultures and tang, the flavor will continue to develop; you may want to add a splash of water or broth when reheating if it has thickened.
- Freezing: Freeze in meal-sized portions for up to 3 months. Use freezer-safe containers, leaving some headspace as liquids expand. Thaw in the fridge overnight before reheating.
- Reheating: Gently simmer on the stovetop to avoid breaking down the potatoes too much. Microwaving is fine for single portions—stir halfway through to heat evenly.
- Food safety: Cool to room temperature no longer than 2 hours before refrigerating to minimize bacterial growth.
Pro chef tips
- Crisp the sausage: Browning the pre-cooked sausage makes a big difference—don’t skip that step. It adds Maillard flavor and pleasant texture contrast.
- Mind the salt: Sauerkraut and pre-cooked sausages can be salty; start with ½ teaspoon salt, then adjust after you’ve added the sauerkraut and tasted.
- Boost aromatics: If you like deeper flavor, add 1 teaspoon smoked paprika with the caraway for extra warmth and color.
- Little shortcut: Use frozen diced potatoes to save peeling time—just adjust cooking time down slightly if the pieces are smaller.
- Acid balance: If the soup tastes too tangy after simmering, stir in 1 teaspoon sugar or a small pat of butter to round it out.
Creative twists
- Vegetarian/vegan: Replace sausage with smoked tempeh or mushrooms and use vegetable broth; consider a teaspoon of liquid smoke to simulate the smoky sausage note.
- Creamy version: Stir in ½ cup sour cream or crème fraîche off-heat for a silkier bowl.
- Dill and apple: Stir in chopped fresh dill before serving and add a small diced apple with the carrots for a traditional Eastern European touch that adds sweet contrast.
- Spicy kick: Add ¼–½ tsp red pepper flakes with the spices or stir in a spoonful of hot mustard for heat and tang.
- Potato swap: Use Yukon Golds for a creamier texture or sweet potatoes for a sweeter, earthier twist.
Your questions answered
Q: How long does this soup take from start to finish?
A: Plan about 40–50 minutes total—10–15 minutes active prep and roughly 30 minutes cooking/simmering.
Q: Do I need to rinse the sauerkraut?
A: It depends on your taste. Rinsing mellows the acidity and reduces salt; use the juice if you want more tang. Start without rinsing and adjust on taste.
Q: Can I use raw sausage instead of pre-cooked kielbasa?
A: Yes; brown and fully cook raw sausage in the skillet, then add to the soup. Ensure raw sausage reaches a safe internal temperature (160°F/71°C for pork sausage) before serving.
Q: Is this soup freezer-friendly?
A: Yes—freeze in portions for up to 3 months. Thaw overnight in the refrigerator before reheating gently.
Q: How can I make it less salty?
A: Use low-sodium broth and either rinse the sauerkraut or reduce the amount. Taste at the end and adjust salt sparingly.
If you have another question about ingredients, timing, or swaps, ask and I’ll help tailor the recipe to your pantry or dietary needs.
Print
Sauerkraut Soup with Polish Sausage
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: 4 servings
- Category: Main Course
- Method: Simmering
- Cuisine: Eastern European
- Diet: Carnivore
Description
A tangy and savory sauerkraut soup with tender potatoes and browned Polish sausage, warming and perfect for chilly nights.
Ingredients
- 2 tbsp olive oil, divided
- 1 medium onion, diced
- 3 cloves garlic, minced
- 4–5 red potatoes, peeled and cut into ½” pieces (about 1.5–2 lbs)
- 1 carrot, peeled and diced
- 4½ cups broth (chicken or beef, low-sodium recommended)
- ½ tsp caraway seeds
- ½ tsp ground cumin
- ½ tsp sea salt (adjust to taste)
- ½ tsp ground black pepper
- 1 lb pre-cooked Polish sausage (kielbasa or smoked sausage), diced into bite-size pieces
- 1 cup sauerkraut, drained slightly (reserve some juice for extra tang)
Instructions
- Heat 1 tablespoon olive oil in a heavy Dutch oven or large stockpot over medium heat. Add the diced onion and cook, stirring occasionally, until translucent, about 4–5 minutes.
- Add the minced garlic and cook 30–45 seconds until fragrant—do not let it brown.
- Pour in the broth, then add the diced potatoes, diced carrot, caraway seeds, cumin, salt, and pepper. Increase heat to medium-high and bring to a rolling boil.
- Once boiling, cover the pot and reduce heat to low to maintain a gentle simmer. Cook until potatoes and carrots are fork-tender, about 20 minutes.
- While the vegetables simmer, heat the remaining 1 tablespoon olive oil in a skillet over medium-high heat. Dice the sausage and pan-sear for 5–7 minutes, turning occasionally, until slightly browned and crispy.
- When the vegetables are tender, add the seared sausage and sauerkraut to the pot. Stir, bring back to a gentle simmer, and cook uncovered for 10 minutes so the flavors meld.
- Taste and adjust seasoning with additional salt and pepper as needed. Serve hot.
Notes
For a vegetarian option, swap sausage and broth for smoked tofu or tempeh and use vegetable broth. For a creamier soup, stir in sour cream off-heat.