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
✔ Easy 5-minute prep
✔ Budget-friendly ingredients
✔ Perfect for busy weeknights
✔ Great for meal prep & leftovers
✔ 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
2 (16 oz) packages frozen cheddar pierogies
14 oz kielbasa sausage, sliced
1 small onion, diced
2 cups shredded cheddar cheese
1 (10.5 oz) can cream of mushroom soup
1 cup sour cream
½ cup chicken broth
1 teaspoon garlic powder
½ teaspoon black pepper
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
Cook on LOW for 4–5 hours
Or HIGH for 2–3 hours
Pierogies should be tender and the cheese fully melted.
Pro Tips for the Best Slow Cooker Sausage Casserole
Use smoked Polish kielbasa for bold flavor.
Swap cream of mushroom with cream of chicken for variation.
Add crispy bacon bits for extra richness.
Garnish with chopped parsley or green onions before serving.
Storage & Meal Prep
Refrigerator: Store in airtight container for up to 4 days.
Freezer: Freeze portions up to 2 months.
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
Garlic green beans
Side salad with vinaigrette
Steamed broccoli
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.
