Slow Cooker Kielbasa and Sauerkraut

This stew-of-a-dish is exactly what it says on the tin: kielbasa and sauerkraut hanging out in the slow cooker until they’re sweet, tangy, and impossibly tender. It’s comfort food that feels messy and honest — a tiny bit smoky from the sausage, bright from the kraut, and effortless because you basically toss and forget. Perfect for nights when you want something satisfying with almost no babysitting.

My husband declares this his “grown-up hot dog” and insists on licking his plate, which is the highest compliment in our house. We started making it the winter our baby learned to crawl and everything felt like survival mode; slow cooker dinners like this were literal life-savers. Now it’s a weeknight staple, but it also pops up at holiday spreads because people always ask for the recipe (and then show up with more beer).

Save

Kitchen Talk

MORE EASY DINNER RECIPES...

DINNER

Classic Beef Chili Recipe

DINNER

Homemade Meat Sauce

DINNER

Biscuits and Gravy Casserole

DINNER

Chicken a la King

I learned early on that not all kraut is created equal. One brand gave us a tinny, tin-can taste and I sulked for a week. Another time I browned the kielbasa first and swore never to skip it again—the smell alone made the whole house pause. Also, once I tried tossing in a jar of caramelized onions I’d made earlier and it turned this from “dinner” to “please show up again next Tuesday.” Little switches like that are how this recipe became ours: sloppy experiments, a few triumphs, and a lot of happy leftovers.

Shopping Tips

– Protein: Look for smoked kielbasa or Polish sausage with a good balance of meat and fat—avoid super-lean versions that dry out.
– Canned Goods: If you’re using jarred sauerkraut, check the brine: some are much saltier than others, so choose low-sodium if you plan to add broth.
– Spices: Caraway seeds and whole-grain mustard are small touches that elevate the dish; you can skip the caraway if you’re not a fan.
– Vegetables: Yellow onions add sweetness when sliced thick; if you want potatoes, pick waxy ones so they hold shape in the slow cooker.
– Fresh Herbs: A little fresh parsley at the end brightens everything—get a small bunch if you plan to garnish.

Prep Ahead Ideas

– Slice the kielbasa and chop onions the day before; store them in airtight containers in the fridge so morning assembly is two minutes.
– If you like the extra depth, caramelize onions a day ahead in a skillet and refrigerate—toss in with the kraut before cooking.
– Portion leftovers into shallow containers once cool so they chill quickly; makes weekday lunches effortless and reduces food waste.

Save

Time-Saving Tricks

– Buy pre-sliced kielbasa or get the deli to slice it for you to save prep time.
– Use jarred sauerkraut instead of fermenting your own unless you’re into that level of weekend project.
– If you’re short on hours, cook on high for 3–4 hours instead of low for 6–8, but check veggies for tenderness.
– Don’t brown the meat? Fine — but a quick sear adds serious flavor and only takes a few minutes.

Common Mistakes

– Too salty: I once used a salty kraut and added broth without tasting first—ended up with a punch-in-the-face salt bomb. Fix: dilute with a splash of water or unsalted broth and a bit of apple for sweetness.
– Mushy add-ins: Tossing in diced potatoes too early made them fall apart. Fix: add them halfway through cooking or use firmer waxy potatoes.
– Forgetting acidity balance: If everything tastes flat, a teaspoon of apple cider vinegar or a squirt of lemon brightens it up immediately.

What to Serve It With

– Buttered egg noodles or mashed potatoes to soak up the juices.
– A simple green salad with vinaigrette to cut the richness.
– Rye or pumpernickel bread for dunking and extra comfort.
– Steamed green beans or braised red cabbage for color and crunch.

Tips & Mistakes

– Brown kielbasa first if you want extra caramelized flavor—worth the two extra minutes.
– Taste the kraut before you add any extra salt; some brands are shockingly salty.
– If your mix is too tangy, stir in a little brown sugar or apple jelly to mellow it.
– Use a slotted spoon to serve so you get nice bites of sausage with just a little sauerkraut.

Storage Tips

Store leftovers in an airtight container in the fridge for 3–4 days. It reheats beautifully on the stovetop or in the microwave, and yes—cold kielbasa and kraut on rye for breakfast is a perfectly acceptable level of chaos. Freeze up to 3 months in labeled bags; thaw in the fridge overnight before reheating.

Save

Variations and Substitutions

– Swap kielbasa for smoked turkey sausage for a leaner option, but expect less fattiness in the sauce.
– Try apple slices or diced apples for a sweet contrast—works especially well with tangy kraut.
– No slow cooker? Simmer gently on the stovetop for 45–60 minutes, stirring occasionally.
– Hate caraway? Use fennel seeds or skip the seeds altogether; the dish still sings.

Frequently Asked Questions

Slow Cooker Kielbasa and Sauerkraut

Smoky kielbasa cozies up with tangy sauerkraut, sweet apple, and a splash of lager for a set-it-and-savor slow cooker supper. A touch of Dijon and caraway brings out classic deli-counter comfort.

Pin This Recipe For Later! Share The Yum On Facebook Print

Prep Time: 15 minutes minutes

Cook Time: 5 hours hours

Total Time: 5 hours hours 15 minutes minutes

Servings: 6

Ingredients

 

1x2x3x

Kielbasa & Kraut

• ▢ 24 ounces smoked kielbasa, cut into 1½-inch chunks
• ▢ 28 ounces sauerkraut, drained, rinsed, and squeezed dry
• ▢ 1 medium sweet onion, thinly sliced
• ▢ 1 large tart apple, peeled and diced
• ▢ 10 ounces lager beer
• ▢ 3 tablespoons pure maple syrup
• ▢ 2 cloves garlic, minced
• ▢ 1 tablespoon caraway seeds
• ▢ 1 teaspoon Dijon mustard
• ▢ 1/4 teaspoon freshly ground black pepper

Instructions

Preparation Steps

• Place the sauerkraut in a colander and rinse under cool water for 10 seconds to tame the saltiness. Squeeze firmly by handfuls to remove excess liquid, then toss in a large bowl with the sliced onion, diced apple, half of the caraway seeds, and the black pepper.
• Set a large skillet over medium-high heat. Add the kielbasa pieces and brown for 3–4 minutes, turning once, just until the edges take on color. Transfer to a plate; no need to cook through.
• In a measuring cup, whisk together the beer, maple syrup, Dijon, garlic, and the remaining caraway seeds until the syrup dissolves.
• Build the slow cooker: Add half of the sauerkraut mixture to the crock, scatter the browned kielbasa over it, then spoon the remaining sauerkraut mixture on top. Pour the beer mixture around the edges so it seeps down without washing seasoning off the top layer.
• Cover and cook on LOW for about 5 hours (or on HIGH for 2½–3 hours), until the onions are tender and the flavors have melded.
• For a slightly thicker, tangier finish, switch to HIGH, set the lid ajar, and cook 15–20 minutes to let some liquid evaporate. Stir well and taste; add a pinch more pepper or a drizzle of maple if you like it sweeter.
• Serve hot with crusty rye bread or over creamy mashed potatoes.

Notes

Tip: Rinsing and squeezing the sauerkraut keeps the dish pleasantly tangy without overwhelming salt, and browning the kielbasa first adds extra depth.

Leftovers keep well in an airtight container up to 4 days; rewarm gently so the sauerkraut stays tender.

This recipe is an original creation inspired by classic Slow Cooker Kielbasa and Sauerkraut flavors. All ingredient ratios and instructions are independently developed.