If you’re looking for an easy comfort food dinner that practically cooks itself, this Slow Cooker Pierogi & Kielbasa Casserole is the ultimate solution. With tender cheddar pierogies, smoky kielbasa sausage, and a rich creamy sauce, this crockpot casserole is perfect for busy families, meal prep, and cold-weather dinners.
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Why You’ll Love This Slow Cooker Pierogi & Kielbasa Casserole
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✔ Easy 5-minute prep
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✔ Budget-friendly ingredients
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✔ Perfect for busy weeknights
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✔ Great for meal prep & leftovers
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✔ Crowd-pleasing comfort food
This is one of those set-it-and-forget-it slow cooker recipes that delivers rich, creamy flavor without complicated steps.
Ingredients
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2 (16 oz) packages frozen cheddar pierogies
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14 oz kielbasa sausage, sliced
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1 small onion, diced
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2 cups shredded cheddar cheese
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1 (10.5 oz) can cream of mushroom soup
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1 cup sour cream
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½ cup chicken broth
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1 teaspoon garlic powder
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½ teaspoon black pepper
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2 tablespoons butter, sliced
How to Make Crockpot Pierogi and Kielbasa
Step 1: Layer the Ingredients
Spray your slow cooker with non-stick cooking spray. Add half of the frozen pierogies to the bottom. Layer with half of the sliced kielbasa and onions.
Step 2: Mix the Creamy Sauce
In a bowl, combine cream of mushroom soup, sour cream, chicken broth, garlic powder, and black pepper. Stir until smooth.
Step 3: Assemble the Casserole
Pour half of the sauce over the layers. Sprinkle with cheese. Repeat layers and finish with butter slices on top.
Step 4: Slow Cook
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Cook on LOW for 4–5 hours
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Or HIGH for 2–3 hours
Pierogies should be tender and the cheese fully melted.
Pro Tips for the Best Slow Cooker Sausage Casserole
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Use smoked Polish kielbasa for bold flavor.
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Swap cream of mushroom with cream of chicken for variation.
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Add crispy bacon bits for extra richness.
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Garnish with chopped parsley or green onions before serving.
Storage & Meal Prep
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Refrigerator: Store in airtight container for up to 4 days.
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Freezer: Freeze portions up to 2 months.
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Reheat: Microwave or warm in oven at 350°F until heated through.
This makes a fantastic make-ahead freezer meal for busy families.
What to Serve with Pierogi Casserole
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Garlic green beans
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Side salad with vinaigrette
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Steamed broccoli
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Crusty bread
FAQs About Slow Cooker Pierogi Recipes
Can I use fresh pierogies instead of frozen?
Yes, but reduce cooking time slightly to avoid overcooking.
Can I make this in advance?
Absolutely. Assemble everything the night before and refrigerate the insert until ready to cook.
Is this recipe kid-friendly?
Yes! The creamy cheese and mild sausage flavors make it a family favorite.