There are some meals that just taste like tradition. This Slow Cooker Amish Sauerkraut & Kielbasa Supper is one of them — a humble, hearty dish that has been warming bellies in Pennsylvania Dutch country for generations. Smoky kielbasa, tangy sauerkraut, sweet onion, and a touch of brown sugar. That’s all it takes to create something deeply satisfying.
The beauty of this recipe is in its simplicity and its balance. The sauerkraut provides bright, tangy acidity. The brown sugar rounds out that sharpness, adding just enough sweetness to mellow the kraut without making it sweet. The onion softens and melts into the juices, adding depth. And the kielbasa — smoky, garlicky, and rich — ties everything together.
This is the kind of meal you can set up in the morning and forget about all day. The slow cooker does all the work, transforming these few ingredients into a savory, tangy, slightly sweet supper that’s perfect over mashed potatoes, egg noodles, or crusty bread.
Whether you’re of German or Amish heritage or just love good, honest comfort food, this sauerkraut and kielbasa supper will become a favorite.
Why You’ll Love This Recipe
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Only four ingredients – Kielbasa, sauerkraut, onion, brown sugar.
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Set-it-and-forget-it – The slow cooker does all the work.
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Tangy, smoky, and slightly sweet – Perfectly balanced flavors.
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Budget-friendly – Kielbasa and sauerkraut are both very affordable.
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Great for busy weeknights or game day – Versatile and easy.
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A taste of Amish and German tradition – Authentic Pennsylvania Dutch comfort food.
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Perfect over mashed potatoes or noodles – The juices are begging to be soaked up.
Ingredients
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Smoked kielbasa – 2 pounds, sliced into ½-inch rounds
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Sauerkraut – 2 pounds, drained but not rinsed
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Medium yellow onion – 1, thinly sliced
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Packed light brown sugar – ¼ cup
Ingredient Notes
What is kielbasa? Kielbasa is a Polish smoked sausage, typically made from pork. It’s fully cooked, so you’re just heating it through and letting the flavors meld. It has a rich, garlicky, smoky flavor that stands up beautifully to the tangy sauerkraut. You can also use andouille sausage for a spicier kick or turkey kielbasa for a lighter option.
What kind of sauerkraut? Sauerkraut is fermented shredded cabbage. It’s tangy, salty, and slightly sour. Look for it in jars or cans in the international or refrigerated section. Do not rinse the sauerkraut — you want to keep some of its tangy brine, but draining it prevents the dish from becoming too watery. Bagged sauerkraut from the refrigerated section tends to have better texture than canned.
Why drain but not rinse? Draining removes excess liquid, which helps the dish maintain the right consistency. Rinsing would wash away much of the tangy flavor that makes sauerkraut special. You want that bright, fermented note — just not a pool of liquid.
What kind of onion? Yellow onion is best. It has the right balance of sweetness and savory flavor. White onions are sharper; sweet onions (like Vidalia) will make the dish noticeably sweeter. Any work, but yellow is traditional.
Why brown sugar? The brown sugar doesn’t make the dish sweet — it rounds out the sharp tang of the sauerkraut, creating a more balanced, mellow flavor. Light brown sugar provides a mild caramel sweetness. Dark brown sugar adds deeper, more molasses-rich notes.
Do I need to add any liquid? No. The sauerkraut and kielbasa release plenty of moisture as they cook. Adding extra liquid would make the dish watery.
Step-by-Step Instructions
Step 1: Prepare the Slow Cooker
Set a 4- to 6-quart slow cooker on the counter. There’s no need to grease it for this recipe — the sausage has enough fat to keep things from sticking.
Step 2: Layer the Kielbasa
Slice the 2 pounds of smoked kielbasa into ½-inch rounds. Spread the slices evenly in the bottom of the slow cooker. This creates a flavorful base and allows the juices to rise up through the sauerkraut as everything cooks.
Step 3: Add the Onion
Thinly slice the 1 medium yellow onion and scatter it evenly over the kielbasa. The onion will soften and melt into the juices, adding sweetness and depth without any extra work.
Step 4: Season the Sauerkraut
In a large bowl, gently toss the 2 pounds of drained sauerkraut with the ¼ cup of packed light brown sugar until the sugar is evenly distributed. The brown sugar won’t make the dish sweet, but it will round out the sharp tang of the kraut.
Step 5: Dump Sauerkraut Over Kielbasa
Pour or dump the sauerkraut-and-brown-sugar mixture over the sliced kielbasa and onions in the slow cooker, spreading it out so everything is covered.
Do not stir. The layers will settle and mingle as they cook. Stirring isn’t necessary and can break up the kielbasa slices.
Step 6: Slow Cook
Cover the slow cooker with the lid. Cook on:
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LOW for 6 to 8 hours, or
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HIGH for 3 to 4 hours
The supper is ready when:
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The onions are very tender (almost melted)
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The sauerkraut is soft and mellow (less sharp than when raw)
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The kielbasa is heated through and juicy
Step 7: Finish and Serve
Taste the sauerkraut mixture and adjust seasoning if needed with a little salt or freshly ground black pepper.
Spoon the kielbasa and sauerkraut into shallow bowls, making sure to include plenty of the savory juices. Serve hot.
Variations & Tips
Make It with Beer
Add ½ cup of lager or pilsner beer to the slow cooker along with the sauerkraut. The beer adds a malty, slightly bitter note that complements both the kielbasa and sauerkraut beautifully. If adding beer, you can reduce the brown sugar slightly.
Add Caraway Seeds
Add 1 tablespoon of caraway seeds to the sauerkraut mixture. Caraway is a classic pairing with both sauerkraut and pork, adding an earthy, slightly licorice-like flavor.
Add Apples
Add 1 large apple, peeled and diced to the slow cooker along with the onion. Apple and sauerkraut are a classic German pairing — the sweetness of the apple balances the tang of the kraut. Use a firm, tart apple like Granny Smith or Honeycrisp.
Add Potatoes
Add 1 pound of small potatoes (baby potatoes or diced Yukon Golds) to the slow cooker. Place them under the kielbasa or mixed in with the sauerkraut. The potatoes will absorb the savory, tangy juices and become incredibly flavorful. Cook on LOW for 7–8 hours.
Make It Spicy
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Use spicy andouille sausage instead of kielbasa
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Add ½ teaspoon of red pepper flakes
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Add 1 teaspoon of hot sauce to the sauerkraut mixture
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Use hot German mustard on the side for serving
Make It with Brats or Knockwurst
Substitute 2 pounds of bratwurst or knockwurst for the kielbasa. Bratwurst is milder and herbier; knockwurst is garlicky and slightly smoky. All work beautifully.
Make It with Fresh Sausage (Not Pre-cooked)
If using fresh (raw) sausage like bratwurst, brown the sausage in a skillet first (5–7 minutes) to render some fat and develop color. Then proceed with the recipe. Raw sausage needs this step to avoid being greasy.
Make It in a Dutch Oven (Oven Method)
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Preheat oven to 325°F (165°C).
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Layer kielbasa, onions, and sauerkraut mixture in a Dutch oven.
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Cover and bake for 2½ to 3 hours, until the sauerkraut is soft and the flavors have melded.
Make It on the Stovetop
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In a large pot or Dutch oven, sauté the kielbasa and onion over medium heat for 5 minutes.
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Add the sauerkraut and brown sugar. Stir to combine.
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Reduce heat to low, cover, and simmer for 30–40 minutes, stirring occasionally.
Storage & Reheating
Refrigerator: Store leftovers in an airtight container for up to 5 days. The flavors deepen overnight — this dish is often even better the next day.
Reheating:
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Microwave: 1–2 minutes per serving.
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Skillet: Warm over medium-low heat, stirring occasionally.
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Slow cooker: Warm on LOW for 30–45 minutes.
Freezing: This dish freezes reasonably well for up to 2 months. The sauerkraut may soften further, but the flavor remains excellent. Freeze in a freezer-safe container. Thaw overnight in the refrigerator before reheating.
Frequently Asked Questions (FAQs)
Do I need to cook the kielbasa before adding it to the slow cooker?
No. Kielbasa is fully cooked, so you’re just heating it through. The slow cooker will do that perfectly. If you want a little more browning, you can sear the slices in a hot skillet for 2–3 minutes before adding to the slow cooker — this adds color and flavor but is optional.
Can I use sauerkraut from a can?
Yes. Canned sauerkraut works fine. Drain it well before using. Bagged sauerkraut from the refrigerated section often has better texture and flavor, but canned is a perfectly acceptable shortcut.
Why do I need to drain the sauerkraut but not rinse it?
Draining removes excess liquid, which helps the dish maintain the right consistency (saucy but not soupy). Rinsing would wash away much of the tangy, fermented flavor that makes sauerkraut special. You want that bright note — just not a pool of liquid.
My sauerkraut is too sour. What can I do?
Add a little more brown sugar (1–2 tablespoons). The sugar won’t make it sweet — it will just balance the acidity. You can also add a diced apple or a splash of apple cider for natural sweetness.
My sauerkraut is too bland. What can I do?
Add a splash of apple cider vinegar or white wine vinegar to brighten it up. A pinch of salt can also help. If you used a very mild sauerkraut, look for a tangier brand next time.
What should I serve with this?
The savory, tangy juices are begging to be soaked up. Great options include:
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Mashed potatoes – The classic choice
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Buttered egg noodles – Wide noodles catch the sauce beautifully
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Crusty bread – For sopping up every last drop
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Boiled potatoes – Simple and traditional
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German potato salad – A perfect pairing
Can I add caraway seeds to this?
Yes! Add 1 tablespoon of caraway seeds to the sauerkraut mixture. Caraway is a classic pairing with both sauerkraut and pork, adding an earthy, slightly licorice-like flavor that’s very traditional.
What to Serve With It
Classic pairings:
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Mashed potatoes – The gold standard. Spoon extra juices over the potatoes.
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Buttered egg noodles – Toss with parsley.
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Boiled potatoes – Simple and traditional.
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Crusty bread – For sopping up every drop.
German-style sides:
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German potato salad – Warm, tangy, and bacon-studded
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Spätzle – Small German egg noodles
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Red cabbage – Sweet and sour braised cabbage
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Rye bread – Dense, flavorful, and perfect with sausage
For a complete Amish-style meal:
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This sauerkraut and kielbasa supper
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Mashed potatoes
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Green beans
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Applesauce on the side
Drinks:
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Cold beer – A lager, pilsner, or hefeweizen
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Apple cider – Hot or cold
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Dry white wine – Riesling or Grüner Veltliner
The Amish and German Tradition of Sauerkraut and Sausage
Sauerkraut and sausage is a classic dish throughout German and Eastern European cuisines. German immigrants brought it to Pennsylvania in the 17th and 18th centuries, and it became a staple of Amish and Pennsylvania Dutch cooking.
Sauerkraut (fermented cabbage) was a way to preserve cabbage for the winter months. The fermentation process creates beneficial probiotics and a distinctive sour, tangy flavor. Sausage (wurst) was another preservation method — smoking and curing allowed meat to last without refrigeration.
The two were often cooked together, with the sauerkraut’s acidity helping to tenderize the meat. Brown sugar or apples were added to balance the sharpness. Onions provided sweetness and depth.
Today, sauerkraut and sausage is still a beloved dish in Amish country, especially in Lancaster County, Pennsylvania. It’s traditionally served with mashed potatoes or boiled potatoes, and it’s a common sight at church suppers, family gatherings, and holiday meals (especially on New Year’s Day, where it’s said to bring good luck).
This slow cooker version honors that tradition while making it accessible for modern cooks. Set it and forget it — just like the Amish might have done with their cast-iron stoves.
Final Thoughts
This Slow Cooker Amish Sauerkraut & Kielbasa Supper is proof that the best meals are often the simplest. Four ingredients. Ten minutes of prep. A few hours in the slow cooker. And you have a tangy, smoky, deeply satisfying supper that tastes like tradition.
The kielbasa is juicy and garlicky. The sauerkraut is tangy and mellow. The onion melts into sweetness. And the brown sugar rounds everything out into perfect harmony.
Serve it over mashed potatoes on a cold winter night. Bring it to a potluck and watch it disappear. Or make it on New Year’s Day for good luck. However you serve it, this sauerkraut and kielbasa supper will warm you from the inside out.