This Crockpot Pierogi Casserole with Kielbasa delivers creamy, cheesy comfort with minimal hands-on work.
Slow cookers have a way of turning simple ingredients into something deeply satisfying, and this casserole is no exception. You start with Mrs. T’s Cheddar Pierogies, add smoky kielbasa slices, layer in shredded cheddar, and let the crockpot work its magic for a few hours. The result is a creamy, cheesy dish that feels indulgent without requiring much active effort from you.
The real charm here is the block of cream cheese melted with chicken broth, which gets whisked smooth and stirred in near the end of cooking. That step transforms the casserole from a simple layered dish into something with a silky, cohesive texture that clings to every pierogi and kielbasa slice. It’s the kind of meal that works for busy weeknights or lazy weekends when you want comfort without complexity.
What You’ll Need for Crockpot Pierogi Casserole with Kielbasa
The ingredient list is short, practical, and built around pantry staples and freezer finds that come together without fuss.
- Mrs. T’s Cheddar Pierogies – the starchy, cheesy base that holds the casserole together and soaks up the creamy sauce.
- Chicken broth – provides moisture and helps the cream cheese melt into a smooth, pourable sauce.
- Cream cheese – adds richness and body, creating a velvety coating that binds the pierogies and kielbasa.
- Shredded cheddar cheese – layered in during cooking and sprinkled on top for a melty, golden finish.
- Kielbasa – brings smoky, savory depth and a slight snap in every bite.
- Salt and pepper – simple seasoning to balance the richness and enhance the other flavors.
How to Assemble and Cook Your Pierogi Casserole
STEP 1: In a 4 to 6 quart crockpot, combine three cups of chicken broth, the frozen pierogies, sliced kielbasa, and one cup of shredded cheddar cheese. Spread everything evenly so the pierogies cook at the same rate.
STEP 2: Set the crockpot to high for 3 to 4 hours, or low for 6 hours. The pierogies should be tender and the kielbasa heated through.
STEP 3: About 30 minutes before the end of cooking, warm the block of cream cheese with the remaining cup of chicken broth in a microwave or on the stovetop. Whisk until the mixture is completely smooth with no lumps.
STEP 4: Pour the cream cheese mixture into the crockpot and stir well to coat the pierogies and kielbasa. Sprinkle the remaining cup of shredded cheddar cheese over the top.
STEP 5: Cover and cook on low for an additional 30 minutes, allowing the cheese to melt and the sauce to thicken slightly.
STEP 6: Serve hot, optionally garnished with sliced green onions for a fresh, sharp contrast to the creamy richness.
What Goes Well With Pierogi Casserole and Kielbasa
A simple green salad with a tangy vinaigrette cuts through the richness and adds a crisp, refreshing element. Roasted or steamed green beans work well too, especially if you toss them with a little butter and garlic. For something heartier, a side of sauerkraut or pickled vegetables brings acidity that balances the creamy, smoky flavors.
Tips for Creamy, Cheesy Crockpot Pierogi Success
- Whisk the cream cheese mixture thoroughly. Any lumps will persist, so take the extra minute to get it completely smooth before pouring into the crockpot.
- Avoid lifting the lid during the first few hours. Each time you peek, you lose heat and extend cooking time, which can lead to mushy pierogies.
- Slice kielbasa into thicker rounds. Thicker pieces stay juicier and more tender than thin coins.
Pierogi Casserole and Kielbasa: Frequently Asked Questions
Can I use a different brand or flavor of pierogies in this recipe?
Yes, any brand or flavor of frozen pierogies works well here. Potato and onion, four cheese, or jalapeño cheddar all bring different flavor profiles, so choose based on what you like or what’s on sale.
Do the pierogies need to be thawed before adding to the crockpot?
No, the pierogies go straight from the freezer into the crockpot. Thawing them first can make them mushy and harder to handle, so frozen is actually better for texture and convenience.
What’s the best type of kielbasa to use for maximum flavor?
Traditional smoked kielbasa delivers the most reliable smoky depth, but cheddar-stuffed kielbasa adds an extra layer of richness. Either way, choose a kielbasa with bold seasoning so it doesn’t get lost among the cheese and potatoes.
Can this casserole be made vegetarian?
Yes, swap the kielbasa for a plant-based sausage or skip it entirely and add sautéed mushrooms or caramelized onions for savory depth. Use vegetable broth instead of chicken broth to keep it fully vegetarian.
How do I prevent the cheese from getting grainy or separating?
Warm the cream cheese with broth before adding it to the crockpot, and whisk until smooth. Adding cold cream cheese directly to the hot casserole can cause it to seize and turn grainy instead of melting evenly.
How to Store and Reheat Crockpot Pierogi Casserole
Store leftovers in an airtight container in the fridge for up to three days. The casserole thickens as it cools, so you may need to add a splash of broth or milk when reheating to loosen the sauce. Reheat individual portions in the microwave for 1 to 2 minutes, stirring halfway through, or warm the whole batch in a covered dish in a 300-degree oven for about 20 minutes. Freezing is not recommended, as the pierogies and cream cheese sauce can become watery and grainy when thawed.

Crockpot Pierogi Casserole with Kielbasa
Ingredients
Equipment
Method
- Add three cups of chicken broth, frozen pierogies, sliced kielbasa, and one cup of shredded cheddar cheese to a 4–6 quart crockpot. Mix gently to distribute the ingredients evenly.
- Cover and cook on high for 3–4 hours or on low for 6 hours until the pierogies are heated through.
- About 30 minutes before the end of cook time, gently heat the cream cheese together with the remaining one cup of chicken broth on the stovetop or in the microwave until softened. Whisk the mixture until it’s smooth and lump-free.
- Stir the cream cheese mixture into the crockpot until thoroughly combined. Sprinkle the remaining cup of shredded cheddar cheese evenly over the casserole.
- Replace the lid and cook on low for another 30 minutes, letting the cheese melt and the casserole become creamy.
- Season with salt and pepper to taste. Serve hot. Garnish with green onion if desired.




