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 incredibly comforting about a warm, cheesy casserole that brings together classic flavors in one dish. This Baked Kielbasa Pierogi Casserole Recipe combines tender pierogies, smoky kielbasa, and creamy cheese sauce for a hearty meal that feels like a big, tasty 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 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 made this casserole on a chilly weekend when I wanted something quick, filling, and totally delicious. The magic of the Baked Kielbasa Pierogi Casserole Recipe is how it layers simple ingredients into one dish that’s flavorful enough to satisfy any craving.

Easy and Quick: You can throw it together in under an hour, perfect for busy nights.
Comfort Food Classic: The blend of creamy cheese and smoky kielbasa hits all the right cozy notes.
One-Dish Wonder: Minimal cleanup with maximum flavor — what’s not to love?
Family-Friendly: Even picky eaters will dig into this casserole, making it ideal for any household.

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

Each ingredient in this Baked Kielbasa Pierogi Casserole Recipe plays a role in creating the perfect harmony of comfort and flavor. When shopping, look for fresh or quality frozen pierogies and kielbasa — they’re the stars of the show.

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 sausage: Offers a smoky, savory punch that stands up beautifully against the creamy sauce.
Frozen pierogies: Convenient and tender, they soak up the sauce and bring that classic dumpling texture.
Cream cheese: Makes the sauce luscious and rich without being too heavy.
Sour cream: Adds tanginess to balance the richness of the cheese and kielbasa.
Chicken broth: Thins out the sauce just right, so it coats everything without being gloopy.
Onion & garlic powder: Boosts flavor depth without overpowering the dish.
Salt and pepper: Essential for rounding out all the flavors.
Shredded cheddar cheese: Brings a sharpness that melts perfectly on top and inside.
Mozzarella cheese: Gives that gooey, melty stretch that makes every bite irresistible.
Green onions: Fresh garnish that adds a pop of color and mild crunch.

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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

One of my favorite things about the Baked Kielbasa Pierogi Casserole Recipe is how adaptable it is. I often tweak the cheese blend or add veggies depending on what I have on hand. It’s a canvas ripe for personalization!

Variation: Sometimes I swap in spicy kielbasa for a little kick, or add sautéed mushrooms and onions for extra texture — it’s delish either way!
Diet-friendly tip: For a lighter version, try reduced-fat cream cheese and cheese, or use chicken sausage instead of kielbasa.
Seasonal swaps: In the cooler months, a sprinkle of smoked paprika enhances the cozy vibe beautifully.

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

Step 1: Prep the Ingredients

First, preheat your oven to 375°F and grab a 9x13-inch baking dish; don’t forget to spray it lightly with non-stick spray. Slice the kielbasa into ¼-inch pieces and spread them evenly in the dish along with the frozen pierogies. This makes the layering easy and ensures every bite has a good mix.

Step 2: Whip Up the Creamy Sauce

In a bowl, use a hand mixer (or whisk if you prefer) to blend softened cream cheese and sour cream until smooth—this is key to a silky sauce. Then add chicken broth and seasonings like onion powder, garlic powder, salt, and pepper. Whisk in half of both the cheddar and mozzarella cheeses for richness and flavor depth.

Step 3: Combine and Bake

Pour the sauce over your pierogies and kielbasa, then gently stir everything so it’s evenly coated. Sprinkle the remaining cheddar and mozzarella on top for that irresistible cheesy crust. Cover with foil and bake for 30 minutes. After that, pull off the foil and bake another 10 minutes until golden and bubbly.

Step 4: Rest and Garnish

Once out of the oven, let it cool for a few minutes — this helps the casserole set so it’s easier to serve. I like to add sliced green onions right before serving because they add freshness and a bit of crunch that contrasts nicely with the melty cheese.

Top Tip

From my experience making this Baked Kielbasa Pierogi Casserole Recipe a bunch of times, a few small tricks really make it shine and save you some stress in the kitchen.

Sauce Smoothness: Make sure your cream cheese is softened to room temperature so it mixes smoothly without lumps.
Even Layering: Spread the pierogies and kielbasa in a single layer for even cooking—avoid stacking so they heat through nicely.
Cheese Topping: Use a good quality shredded cheese rather than slices to get that perfect melt and golden topping.
Don’t Skip the Rest: Let the casserole cool a bit after baking; it gives the sauce time to thicken so serving isn’t messy.

How to Serve Baked Kielbasa Pierogi Casserole Recipe

Kielbasa Pierogi Casserole - Serving Suggestion

Garnishes

I always finish this casserole with thinly sliced green onions—they add a subtle sharpness that cuts through the richness. Sometimes I sprinkle a little paprika or even some crispy bacon bits for an extra flavor boost.

Side Dishes

To balance the hearty casserole, I love pairing it with a fresh green salad or steamed veggies like broccoli or asparagus. Pickled cucumbers or sauerkraut also complement the kielbasa beautifully, enhancing the Eastern European vibes.

Creative Ways to Present

For special occasions, I bake this in decorative individual ramekins — it’s perfect for a cozy dinner party and adds a personal touch. I also like topping each serving with a dollop of sour cream and a sprinkle of fresh dill for a pop of color and flavor.

Make Ahead and Storage

Storing Leftovers

I usually keep leftovers in an airtight container in the fridge for up to 3 days. Just a heads-up: the pierogies soak up sauce over time, so the casserole thickens — it’s still delicious, just heartier.

Freezing

This casserole freezes well! I transfer portions into freezer-safe containers and it keeps for about 2 months. Thaw overnight in the fridge before reheating for best texture.

Reheating

To reheat, I pop individual servings in the oven at 350°F for 15-20 minutes or microwave on medium power until warmed through. Adding a little extra shredded cheese on top before reheating revives that melty goodness.

Frequently Asked Questions:

Can I use fresh pierogies instead of frozen?

Absolutely! Fresh pierogies will work great. Just keep an eye on the baking time as they might cook faster since they’re not frozen. You want them tender and hot throughout, so adjust accordingly.

Can I make this recipe vegetarian?

You can swap the kielbasa for vegetarian sausage or smoked tofu to keep the smoky flavor without meat. Also, use vegetable broth instead of chicken broth to keep it fully vegetarian. The dish will still be creamy and satisfying!

What type of kielbasa is best for this casserole?

I recommend using smoked kielbasa for its rich flavor, but you can use any pre-cooked kielbasa sausage you like. Kielbasa that’s already fully cooked is best since the casserole is baked for a relatively short time.

Can I prepare this casserole ahead of time?

Yes! You can assemble the casserole the night before, cover it tightly, and refrigerate. When ready to bake, just take it out of the fridge about 20 minutes before putting it in the oven to help it bake evenly.

Final Thoughts

The Baked Kielbasa Pierogi Casserole Recipe has become my go-to for a fuss-free dinner that still feels special. It’s cozy, cheesy, and brings people together around the table — just like I hoped when I first made it. I’m excited for you to give it a try and make it your own family favorite, too.