Name: Baked Kielbasa Pierogi Casserole Recipe
Prep time: 10 min
Cook time: 40 min
Total time: 50 min
Cuisine: Polish-American
Ingredients: 14 ounces sliced kielbasa sausage, ¼-inch thick; 32 ounces frozen pierogies; 1 (8-ounce) block softened cream cheese; ½ cup sour cream; ½ cup chicken broth; 1 teaspoon onion powder; 1 teaspoon garlic powder; ½ teaspoon salt; ½ teaspoon pepper; 1 cup shredded cheddar cheese, divided; 1 cup shredded mozzarella cheese, divided; Sliced green onions for garnish

There's something wonderfully comforting about layering flavors and textures in one dish, and this Baked Kielbasa Pierogi Casserole Recipe nails that cozy, hearty vibe perfectly. Imagine tender pierogies and flavorful kielbasa bathed in a creamy cheese sauce, baked until golden and bubbling—it’s a total crowd-pleaser that's surprisingly simple to pull together.

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

This recipe is one of those comfort food gems that I always keep in my back pocket when I want something filling and flavorful without fuss. It’s got all the rich, cheesy goodness you crave, plus the smoky kick of kielbasa, all in a casserole you can make in under an hour.

Easy Weeknight Favorite: Throw everything into one dish and pop it in the oven—minimal prep, maximum comfort.
Flavor-Packed: Smoky kielbasa with creamy cheese sauce creates layers of deliciousness in every bite.
Family Friendly: Kids and adults alike dig into this dish; it’s that comforting and satisfying.
Customizable: You can easily swap cheeses, add veggies, or adjust spices to make it your own.

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

Every ingredient in this casserole brings something special to the table—smoky kielbasa, creamy cheeses, and tender pierogies all balanced with just the right spices. When shopping, look for quality kielbasa with a good snap and pierogies that hold their shape well in the oven.

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: Adds smoky, savory flavor; pre-sliced for quick layering.
Frozen pierogies: Convenient and hearty, they soak up the creamy sauce perfectly.
Cream cheese: Provides richness and a silky texture to the sauce.
Sour cream: Adds tang and creaminess that balance the savory notes.
Chicken broth: Thins the sauce just enough for easy mixing and baking.
Onion powder & garlic powder: Essential seasonings to boost depth without chopping.
Salt & pepper: Simple but necessary for rounding out flavors.
Cheddar cheese: Sharpness and color, adding a classic cheesy appeal.
Mozzarella cheese: Melts beautifully for that gooey top layer.
Green onions: Fresh garnish that cuts through the richness with a bit of bite.

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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 mixing things up depending on the season or what’s in my fridge. This casserole is a great blank canvas—try adding caramelized onions or sautéed mushrooms for an earthier vibe. You can also swap kielbasa for smoked sausage or even a spicy chorizo if you like it hot.

Vegetarian Variation: Substitute kielbasa with plant-based sausage and add hearty mushrooms; it’s just as satisfying.
Extra Veggie Boost: Toss in some roasted bell peppers or steamed broccoli for color and nutrients.
Cheese Swap: Try pepper jack for a little kick, or use all mozzarella for extra gooeyness.
Spice It Up: Add a pinch of smoked paprika or cayenne to the sauce for warmth without overpowering.

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

Step 1: Prep and Layer the Base

I start by preheating my oven to 375°F and greasing my 9×13 baking dish with cooking spray—that non-stick step saves you from any messy cleanup later. Then, I evenly layer the sliced kielbasa and frozen pierogies right into the dish, no need to thaw the pierogies first. This helps keep the textures just right once baked.

Step 2: Whip Up the Creamy Sauce

Using a hand mixer, I beat together softened cream cheese and sour cream until it’s silky smooth—this step is crucial for a velvety sauce without lumps. Then I add chicken broth along with onion powder, garlic powder, salt, pepper, plus half the cheddar and mozzarella cheeses. Whisk it all until it’s well combined and creamy.

Step 3: Combine and Bake

I pour the cheesy sauce over the kielbasa and pierogies, gently mixing so everything gets coated evenly. Then I sprinkle the remaining shredded cheddar and mozzarella right on top for that golden, bubbly finish. Cover with foil, bake for 30 minutes, then unwrap and bake an additional 10 minutes to get a perfect crust on top.

Step 4: Garnish and Serve

Once out of the oven, I let it cool just a few minutes because that molten cheese is piping hot! Then I finish it with a sprinkle of sliced green onions that add a fresh pop of color and subtle bite. Serve warm, and prepare for some serious compliments.

Top Tip

Over the years making this baked kielbasa pierogi casserole recipe, I’ve learned a few tricks that take it from good to great. The sauce texture makes a world of difference, and timing the bake just right is key to keeping pierogies tender but not mushy.

Softened Cream Cheese: Make sure it’s room temperature so your sauce blends smoothly without lumps.
Mixing the Sauce Well: Use a hand mixer if you have one to get that creamy consistency—it really helps.
Don’t Skip the Foil: Covering the casserole during the first half of baking keeps moisture in and stops pierogies from drying out.
Rest Before Serving: Give it at least 5 minutes out of the oven so the sauce settles and it’s easier to serve.

How to Serve Baked Kielbasa Pierogi Casserole Recipe

Kielbasa Pierogi Casserole - Serving Suggestion

Garnishes

I’m a big fan of using freshly sliced green onions because they brighten up the richness of the dish. Sometimes I toss on a dollop of sour cream or even a sprinkle of crispy fried onions for texture contrast. A little fresh parsley can be lovely too if you want some color variation.

Side Dishes

This casserole is quite filling on its own, but pairing it with a simple crisp green salad or steamed green beans gives some freshness to balance out the indulgence. A side of roasted Brussels sprouts or sautéed kale adds a nice veggie boost and a little bite.

Creative Ways to Present

For holiday dinners or special occasions, I love making individual servings in ramekins for a cute presentation. You can also top with caramelized onions or a drizzle of hot honey for a sweet-and-savory twist that guests always remember.

Make Ahead and Storage

Storing Leftovers

I store leftovers covered tightly in the fridge for up to 3 days. It reheats beautifully, so it’s a great make-ahead comfort meal for busy weeknights. Just scoop a portion into your bowl and go.

Freezing

This casserole freezes well before baking. I usually assemble it in a freezer-safe dish, wrap it tightly with foil and plastic wrap, and freeze for up to 3 months. When ready, bake it straight from frozen, just adding some extra bake time with foil covered.

Reheating

To reheat leftovers, I pop them into the oven at 350°F covered with foil to prevent drying, warming evenly for around 15-20 minutes. If you’re in a hurry, the microwave works too but the oven keeps that crispy cheese topping alive.

Frequently Asked Questions:

Can I use homemade pierogies for the Baked Kielbasa Pierogi Casserole Recipe?

Absolutely! If you have homemade pierogies, they’ll give the casserole an extra-special touch. Just be mindful of their moisture content—if they’re very moist, consider reducing broth slightly to avoid a soggy casserole.

Can I substitute another kind of sausage instead of kielbasa?

Definitely, feel free to swap kielbasa with smoked sausage, bratwurst, or even chorizo depending on the flavor profile you want. Just slice the sausage similarly and adjust seasonings if your substitution is spicier.

Is it necessary to use both cheddar and mozzarella cheese?

No, you can use just one type of cheese if you prefer. The mix of cheddar and mozzarella brings both sharpness and meltiness, but using only mozzarella will give you a gooier casserole, while cheddar alone offers a stronger bite.

How to make the casserole less creamy or rich?

To lighten it up, try reducing the cream cheese and sour cream amounts, or substitute with Greek yogurt. You can also add more broth or a splash of milk to thin the sauce without losing flavor. Adding more veggies can balance richness as well.

Final Thoughts

This Baked Kielbasa Pierogi Casserole Recipe has become one of my favorite go-to dishes for its ease and unbeatable comfort. It feels like a warm hug on a plate every time I make it, and honestly, it’s perfect for sharing with family and friends over a relaxed evening. I can’t wait for you to try it in your kitchen—you’ll probably find yourself making it again and again, just like I do.