There’s something deeply satisfying about a warm, cheesy casserole packed with hearty flavors. This Baked Kielbasa Pierogi Casserole Recipe combines tender pierogies, savory kielbasa, and a luscious creamy sauce that just feels like a cozy hug on a plate. Trust me, it’s absolutely worth making for any dinner that calls for comfort food with a twist.

A white baking dish filled with a layered casserole showing several layers of round, creamy white potato slices mixed with browned sausage rounds scattered throughout. The top is covered with melted yellow and white shredded cheese and sprinkled with finely chopped green onions. Some parts of the edges are browned from baking. A dark wooden spoon rests inside the dish lifting some of the casserole from the corner. The dish is placed on a white marbled surface with a small bowl of green onions nearby. Photo taken with an iphone --ar 2:3 --v 7

Jump to:

Why You'll Love This Recipe
Ingredients & Why They Work
Make It Your Way
Step-by-Step: How I Make Baked Kielbasa Pierogi Casserole Recipe
Top Tip
How to Serve Baked Kielbasa Pierogi Casserole Recipe
Make Ahead and Storage
Frequently Asked Questions:
Final Thoughts
Baked Kielbasa Pierogi Casserole Recipe

Why You'll Love This Recipe

I first stumbled upon this recipe when craving something quick but special. The way the smoky kielbasa mingles with creamy cheese and soft pierogies is pure magic. Every bite reminds me of family dinners but with a fun casserole convenience that’s perfect for busy nights.

Simple & Convenient: Uses frozen pierogies for a shortcut without sacrificing flavor.
Creamy & Cheesy Goodness: The sauce combines cream cheese, sour cream, and broth for a silky coating.
Hearty & Flavorful: Sliced kielbasa adds a smoky, meaty punch that pairs perfectly with the mild pierogies.
Customizable: You can easily swap cheeses or add veggies to suit your taste.

The dish is a layered casserole in a white baking dish showing a top layer of melted yellow and white cheese, sprinkled with green chopped scallions. Under the cheese, there are thin slices of browned sausage visible, mixed among layers of round, soft-looking white potato slices with a creamy texture. The edges of the dish show some browned, slightly crispy baked cheese and sauce. A wooden spatula is lifting a portion, revealing thick layers of potatoes, sausage, cheese, and sauce stacked inside. The background is a white marbled surface with a small bowl of green salad on the side. Photo taken with an iphone --ar 2:3 --v 7

Ingredients & Why They Work

These ingredients come together to create layers of flavor and texture that make this casserole so memorable. Knowing a bit about each can help you shop smarter and maybe even tweak things to your liking.

Flat lay of sliced kielbasa sausage rounds arranged neatly, several uncooked pierogies with delicate crimped edges, a block of cream cheese with a smooth surface, a small white bowl filled with sour cream, a small white bowl containing clear chicken broth, a small white bowl of fine white onion powder, a small white bowl of pale garlic powder, a small white bowl of fine salt crystals, a small white bowl of cracked black pepper, a small pile of shredded sharp cheddar cheese, a small pile of shredded mozzarella cheese, and a few bright green sliced green onion rings scattered delicately, all placed on a clean white marble surface, soft natural light, photo taken with an iPhone, professional food photography style, fresh ingredients, white ceramic bowls, no bottles, no duplicates, no utensils, no packaging --ar 2:3 --v 7 --p m7354615311229779997

Kielbasa sausage: The smoked flavor gives the dish a delicious depth and hearty protein boost.
Frozen pierogies: Time-savers that soak up the creamy sauce and add a tender, pillowy bite.
Cream cheese: Provides richness and helps the sauce thicken beautifully.
Sour cream: Adds a subtle tang that balances the cheesy richness.
Chicken broth: Lightens the sauce while enhancing flavor complexity.
Onion & garlic powder: Foundational seasonings that bring warmth and depth without overpowering.
Cheddar and mozzarella cheese: Cheddar adds sharpness; mozzarella melts smoothly for that gooey, bubbly top.
Green onions: A fresh, crisp garnish to cut through the richness.

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Note: You'll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Make It Your Way

I love tweaking this Baked Kielbasa Pierogi Casserole Recipe depending on what I have on hand or the season. Sometimes I sneak in some sautéed onions or bell peppers for extra veggie power, and other times I swap out the cheddar for pepper jack to add a little kick.

Variation: Adding caramelized onions gives the casserole a subtle sweetness and an extra layer of flavor I can’t get enough of.
Dietary tweak: For a lighter version, try using turkey kielbasa and reduced-fat cream cheese; it still holds all the comfort with fewer calories.
Extra cheesy: Double up on the mozzarella if you love that perfect melt and stretch—it’s totally worth it.

Step-by-Step: How I Make Baked Kielbasa Pierogi Casserole Recipe

Step 1: Prep and Layer the Essentials

Preheat your oven and grease a 9×13 baking dish to keep things from sticking. Then, arrange the sliced kielbasa and frozen pierogies evenly in the dish. I find that this layering helps everything cook uniformly and makes sure each bite has a good mix of sausage and dumpling.

Step 2: Whip Up the Creamy Sauce

Using a hand mixer, blend cream cheese and sour cream until smooth. This step is key for a silky sauce without lumps. Then add chicken broth, onion powder, garlic powder, salt, pepper, and half the cheddar and mozzarella cheeses. Whisk it all together until creamy and well combined.

Step 3: Combine, Top, and Bake

Pour the sauce over the pierogies and kielbasa, then gently stir to coat everything well. Finish with the remaining cheese on top for that golden, bubbly crust we all love. Cover with foil and bake for 30 minutes, then uncover and bake another 10 so the cheese browns perfectly.

Step 4: Garnish and Serve

Once out of the oven, let it rest for a few minutes to set up and avoid lava-hot sauce surprises. Sprinkle fresh sliced green onions on top for a bright, flavorful finish that cuts through the richness.

Top Tip

After making this Baked Kielbasa Pierogi Casserole Recipe a few times, I’ve learned a few tricks that saved me from common pitfalls and made the results even better.

Layering Matters: Don’t just dump the pierogies and kielbasa in – arrange them with some spacing so the sauce can coat each piece evenly.
Smooth Sauce Base: Make sure the cream cheese is fully softened and whisked well with sour cream, or you’ll get clumps in your sauce.
Cheese Timing: Adding half the cheese into the sauce helps it bind and flavor the whole dish, while the extra cheese on top gets that perfect melty crust.
Don’t Skip the Rest: Letting it cool a few minutes before serving means you won’t burn your mouth and the casserole slices better.

How to Serve Baked Kielbasa Pierogi Casserole Recipe

Kielbasa Pierogi Casserole - Serving Suggestion

Garnishes

I always go for fresh sliced green onions—they add a mild sharpness and a pop of color that livens up each serving. Sometimes, a dollop of sour cream on the side makes the flavors even creamier and more tangy-delicious.

Side Dishes

For side dishes, I like to keep things simple. A crisp green salad with a vinaigrette balances the richness nicely, or some steamed veggies like green beans or roasted Brussels sprouts add fresh, earthy notes.

Creative Ways to Present

For family gatherings, I’ve baked this casserole in mini cast-iron skillets for individual servings. It’s a fun touch that feels a little fancy but is super easy. You can also sprinkle some fried onions or bacon bits on top for an extra crunch.

Make Ahead and Storage

Storing Leftovers

I store leftovers in an airtight container in the fridge, and they generally keep well for 3-4 days. When reheating, I find that warming individual portions gently in the microwave keeps them moist, while the oven works well for larger helps.

Freezing

This casserole freezes beautifully. I recommend freezing in a tightly covered dish or freezer-safe container. When you’re ready, thaw overnight in the fridge, then bake at 350°F until heated through and bubbly.

Reheating

To keep that creamy texture, I reheat leftovers covered in the oven at 325°F, adding a splash of broth or sour cream to revive the sauce if it looks dry. A quick heat-up in the microwave with a cover works too, just watch that it doesn’t dry out.

Frequently Asked Questions:

Can I use fresh pierogies instead of frozen?

Yes! Fresh pierogies will work well too. Just adjust the baking time slightly since fresh ones cook faster, so check around 20-25 minutes to avoid overcooking.

What type of kielbasa is best for this casserole?

I recommend using smoked kielbasa as it adds a rich, smoky flavor, but you can also use fresh kielbasa if you prefer. Just slice it thinly for even cooking.

Can I make this recipe vegetarian?

Absolutely! For a vegetarian version, swap out the kielbasa for sautéed mushrooms, caramelized onions, or a mix of your favorite veggies. You could also use a vegetarian sausage alternative.

How can I make the casserole less rich?

To lighten the casserole, try using reduced-fat cream cheese and sour cream, and swap whole milk chicken broth for a low-sodium version. You can also add more veggies like spinach or peas to add freshness and balance the richness.

Final Thoughts

This Baked Kielbasa Pierogi Casserole Recipe is one of those gems that feels special yet is incredibly easy to pull together. I love how it blends familiar flavors in a new format, perfect for weeknights or gathering around the table with friends. Give it a try—you'll be amazed at how quickly it becomes a family favorite, and trust me, it’s a delicious way to bring some cozy comfort into your kitchen.