Name: Kielbasa Pierogi Casserole Bakes 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 mozzarella cheese, divided; Sliced green onions for garnish

There’s something so comforting about a warm, cheesy bake filled with hearty flavors—that’s exactly what this Kielbasa Pierogi Casserole Bakes Recipe delivers. It’s one of those dishes that fills your kitchen with mouthwatering smells and somehow manages to feel like a hug on a plate.

The dish shows a white baking pan filled with a layered casserole. The bottom layer is a creamy sauce mixed with slices of browned sausage. Above that, there are overlapping slices of thin cooked potatoes, covered generously with melted yellow and white cheese. The cheese has a smooth, slightly browned texture and is dotted with chopped green onions on top. A wooden spoon is digging into the casserole, revealing the layers inside. The pan sits on a white marbled surface with some scattered green onion pieces around. 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 Kielbasa Pierogi Casserole Bakes Recipe
Top Tip
How to Serve Kielbasa Pierogi Casserole Bakes Recipe
Make Ahead and Storage
Frequently Asked Questions:
Final Thoughts
Kielbasa Pierogi Casserole Bakes Recipe

Why You'll Love This Recipe

I remember the first time I made this Kielbasa Pierogi Casserole Bakes Recipe—it was a bit of an experiment, but it quickly became a family favorite. What’s not to love when creamy, cheesy layers meet smoky kielbasa and tender pierogies?

Perfectly Balanced Flavors: The smoky kielbasa pairs beautifully with the creamy cheesy sauce and soft pierogies for a satisfying bite every time.
Simple to Make: With just a handful of ingredients and straightforward steps, it’s an easy dinner win even on busy nights.
Comfort Food Magic: This casserole delivers that warm, cozy feeling without turning on your stovetop too much—just pop it in the oven and relax.
Great for Leftovers: It reheats beautifully, making it a perfect make-ahead or leftover lunch option.

A white baking dish filled with a cheesy layered potato casserole is shown from above on a white marbled surface. There are three main layers: thin golden-yellow potato slices arranged close together at the bottom, a middle layer of browned sausage slices in dark reddish-brown tones scattered evenly, and a top layer of melted cheese in white and deep yellow swirls, with some melted parts slightly browned at the edges. The whole dish is sprinkled with finely chopped bright green scallions. A wooden spatula is scooping out a portion near the bottom right, showing the layers clearly. Photo taken with an iphone --ar 2:3 --v 7

Ingredients & Why They Work

The magic of this Kielbasa Pierogi Casserole Bakes Recipe really lies in simple, approachable ingredients that come together to create something greater than the sum of their parts. Shopping tip: get good-quality kielbasa and pick pierogies you know you enjoy—whether potato and cheese or sauerkraut—they make a difference.

Flat lay of sliced kielbasa sausage arranged in a neat row, a small pile of uncooked pierogies with smooth dough, a block of cream cheese with a slight sheen, a small white bowl filled with thick sour cream, a small white bowl holding clear chicken broth, scattered loose onion powder and garlic powder on the surface, a small white bowl of coarse salt, a small white bowl of cracked black peppercorns, a pile of shredded sharp cheddar cheese, a pile of shredded mozzarella cheese, and a few fresh sliced green onions with bright green tops and white bases, all placed on simple white ceramic bowls or directly on the surface, perfectly symmetrical and balanced, 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: Its smoky, savory flavor adds a hearty punch and a bit of spice. I prefer Kielbasa with a little paprika for that classic taste.
Frozen Pierogies: Convenient and filling, they soak up the sauce beautifully. Par-cooked ones work well, but fresh can be used if you can find them.
Cream Cheese: Adds a silky texture and tangy richness to the sauce—make sure it’s softened for smooth mixing.
Sour Cream: This gives the sauce a lovely tang and creaminess that cuts through the richness of the cheese and sausage.
Chicken Broth: Thins out the sauce just enough to coat without being runny, adding subtle depth.
Onion & Garlic Powder: These pantry staples boost flavor without overpowering—perfect seasoning balance.
Cheddar and Mozzarella Cheese: The sharpness of cheddar with the gooey stretch from mozzarella is pure comfort food gold.
Green Onions: A fresh, crisp garnish that brightens up each bite and looks inviting on top.

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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 how flexible this Kielbasa Pierogi Casserole Bakes Recipe is. You can customize it to match what you have on hand or your flavor preferences. Don't be shy about swapping cheeses or adding veggies for a twist.

Vegetable Boost: I've tossed in sautéed onions and bell peppers before, which gave the casserole a lovely sweetness and extra texture.
Spicy Kick: Adding a pinch of red pepper flakes or a dash of hot sauce into the sauce kicked it up a notch for those who like a little heat.
Dairy-Free Twist: Swap sour cream for a coconut or cashew-based alternative and use dairy-free cheese to make this friendly for lactose intolerance.

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

Step 1: Prepare Your Baking Dish and Ingredients

First off, preheat your oven to 375°F and spray a 9×13-inch baking dish with non-stick spray. I like to slice my kielbasa about a quarter-inch thick—it helps them cook evenly and keeps every bite meaty but not overwhelming. Then toss the frozen pierogies and sliced kielbasa right into the dish; no need to thaw the pierogies first, which keeps things simple.

Step 2: Whip Up the Creamy Sauce

In a bowl, use a hand mixer or whisk to smooth out the softened cream cheese and sour cream first. Getting them completely smooth makes the sauce velvety. Then pour in chicken broth, sprinkle in onion powder, garlic powder, salt, and pepper, and add half the cheddar and mozzarella cheese. Whisk it all together until it’s a creamy, cheesy mixture. The key here is to ensure there are no lumps so it coats the pierogies nicely.

Step 3: Combine and Bake

Pour that luscious sauce over the pierogies and kielbasa in the baking dish. I usually gently toss everything with a spatula or spoon—just enough to coat but not so much that the pierogies break apart. Spread the remaining shredded cheddar and mozzarella evenly over the top, cover the dish with foil, and bake for 30 minutes. Then, remove the foil and bake uncovered for another 10 minutes to get that irresistible golden bubbly crust on top.

Step 4: Garnish and Serve

Once out of the oven, give it a few minutes to settle—this helps it firm up a bit and makes serving easier. I love sprinkling sliced green onions on top; they add a fresh pop of color and a slight bite that cuts through the richness.

Top Tip

From my kitchen to yours, here are some tips to make your Kielbasa Pierogi Casserole Bakes Recipe turn out perfectly each time—and avoid the little pitfalls I ran into.

Don’t Overmix Pierogies: They’re delicate, so fold them gently with the sauce to prevent them from breaking up while still ensuring they’re well coated.
Use Full-Flavor Cheeses: I learned that sharp cheddar gives this dish a richer taste than mild cheddar, which I recommend for the best flavor punch.
Keep It Covered Initially: Covering with foil traps steam so the pierogies cook through without drying out, then uncovering crisps the cheese on top for that perfect finish.
Let It Rest: Giving the casserole a few minutes to cool after baking helps everything set and makes serving cleaner and easier.

How to Serve Kielbasa Pierogi Casserole Bakes Recipe

Kielbasa Pierogi Bake - Serving Suggestion

Garnishes

I always finish with fresh green onions—adds crunch and that little zing we all crave. Sometimes I throw on a dollop of sour cream or a sprinkle of crispy bacon bits if I want it extra indulgent.

Side Dishes

This bake pairs wonderfully with a simple green salad dressed with lemon vinaigrette or roasted Brussels sprouts for a veggie boost. A crusty bread on the side helps scoop up any extra sauce (because there's always some!).

Creative Ways to Present

For gatherings, I’ve served it in individual ramekins to make everyone feel special. You can also sprinkle fresh herbs like dill or parsley on top for a vibrant pop of color and subtle herbaceous note.

Make Ahead and Storage

Storing Leftovers

I store leftovers in an airtight container in the fridge, and they keep well for about 3-4 days. The casserole actually tastes even better the next day once the flavors meld a bit more.

Freezing

This recipe freezes beautifully, too! I recommend freezing before baking—just cover tightly with foil and plastic wrap for up to 2 months. When you're ready, bake it covered longer, then uncover near the end to brown the cheese.

Reheating

To reheat, I use the oven at 350°F covered with foil to keep moisture in, then uncover for the last 5-10 minutes to refresh that cheesy crust. Microwave works if you’re in a hurry, but the oven does give the best texture.

Frequently Asked Questions:

Can I use fresh pierogies instead of frozen?

Absolutely! Fresh pierogies work great; just adjust baking time slightly since they won’t need to thaw during cooking. Keep an eye on them so they don’t overcook.

What can I substitute if I don’t have sour cream?

You can use Greek yogurt as a tangy, creamy alternative, or even a bit of crème fraîche. Both add richness and work well in the sauce.

Can I make this recipe vegetarian?

Yes, swap out the kielbasa for smoked or roasted vegetables like mushrooms, zucchini, or eggplant. You can also add plant-based sausage alternatives for a similar texture and flavor.

How do I prevent the casserole from being watery?

Make sure to whisk the sauce thoroughly to avoid lumps and don’t add extra liquid beyond what’s in the recipe. Also, covering the dish while baking traps moisture perfectly—removing foil near the end lets excess moisture evaporate.

Final Thoughts

This Kielbasa Pierogi Casserole Bakes Recipe has become one of those meals I turn to when I want something flavorful, easy, and deeply comforting. I hope you give it a try and enjoy the blend of smoky kielbasa, creamy sauce, and cheesy goodness as much as I do—it’s like a little celebration of simple ingredients coming together for big satisfaction. Trust me, once it’s baking away in your oven, you’ll be looking forward to that first forkful just like I do!