As I stirred the fragrant layers of my Crockpot Pierogi Casserole with Kielbasa, a wave of nostalgia washed over me—each aroma whisking me back to vibrant family gatherings filled with laughter and love. This hearty dish combines tender pierogi and smoky kielbasa in a slow-cooked embrace, delivering the comfort of Eastern European cuisine right to your kitchen. Perfect for those jam-packed days when the call for homemade warmth grows loud, this casserole offers not just convenience but also a customizable experience. Whether you’re a busy parent or a passionate home-chef, it promises to be a crowd-pleaser that everyone will cherish. Can you hear the hungry bellies calling for a bowl? Let’s dive into this delicious journey together!

Why Is This Casserole So Irresistible?
Easy Preparation: This Crockpot Pierogi Casserole requires minimal effort; just layer, set, and forget! Perfect for busy weeknights.
Rich, Comforting Flavors: The harmonious blend of pierogi and kielbasa offers a nostalgic taste of Eastern European comfort food that’s hard to resist.
Customizable Options: You can adapt it to your preferences easily—switch out the kielbasa for a vegetarian alternative or throw in your favorite veggies for added nutrition.
Crowd-Pleasing Appeal: It’s an instant hit at gatherings, making it a great dish for potlucks or family dinners! For a perfect pairing, consider serving it alongside a refreshing salad or crusty bread.
Convenient Leftovers: Make ahead and enjoy it for days! It reheats beautifully, ensuring you have delicious comfort on hand anytime. If you’re craving more cozy casseroles, check out my recipes for Cheesy Chicken Casserole and Dorito Casserole Hamburger.
Crockpot Pierogi Casserole Ingredients
• Everything you need for joy in a bowl!
For the Casserole
- Frozen Pierogi – The heart of the dish; use fresh for a quicker cook.
- Kielbasa – A flavorful Polish sausage that brings protein and savor; try smoked sausage as a substitute.
- Sour Cream – Adds creamy tanginess; substitute low-fat sour cream or Greek yogurt for a lighter twist.
- Onion – Building block of flavor; replace with shallots for subtle sweetness.
- Condensed Cream of Mushroom Soup – Creates a creamy base; swap with cream of chicken for a different taste.
- Shredded Cheddar Cheese – Melts into a gooey finish; consider using Gruyère for a rich flavor.
- Butter – Provides richness; opt for olive oil for a healthier alternative.
- Salt and Pepper – Essential for seasoning; adjust according to your palate.
- Chives – Fresh garnish that brightens the dish; parsley or scallions work well if you’re out.
Enjoy the heartwarming flavors of this Crockpot Pierogi Casserole with every comforting bite!
Step‑by‑Step Instructions for Crockpot Pierogi Casserole
Step 1: Prepare the Crockpot
Begin by spraying the inside of your crockpot generously with non-stick cooking spray to ensure easy serving and cleaning later. This foundational step keeps your Crockpot Pierogi Casserole from sticking. Set your crockpot on a flat surface and gather your ingredients for an efficient layering process.
Step 2: Layer Ingredients
Place half of the frozen pierogi in the bottom of the crockpot, arranging them side by side for even cooking. Next, layer half of the sliced kielbasa and chopped onion over the pierogi, creating a colorful base. This first layer combines flavors and textures that will meld beautifully as the casserole cooks throughout the day.
Step 3: Mix Sauce
In a medium mixing bowl, combine the condensed cream of mushroom soup, sour cream, and melted butter. Use a whisk or spatula to blend these ingredients until the mixture is smooth and creamy. This sauce will bind your casserole together, adding richness and flavor to the Crockpot Pierogi Casserole.
Step 4: Repeat Layers
Spread half of the creamy sauce mixture evenly over the first layers of pierogi, kielbasa, and onion. Now, repeat the layers with the remaining frozen pierogi, followed by the rest of the kielbasa and onion. Finally, drizzle the last of the sauce on top, ensuring every bite will be decadently flavorful as it cooks.
Step 5: Cook
Cover the crockpot with its lid and set it to the low setting. Allow the Crockpot Pierogi Casserole to cook for 4 to 5 hours. During this time, the pierogi should become tender, and the flavors will meld beautifully, creating a comforting, hearty dish that evokes warmth and nostalgia.
Step 6: Add Cheese
In the last 30 minutes of cooking, sprinkle the shredded cheddar cheese over the top of the casserole. Cover the crockpot again to allow the cheese to melt and create a gooey, delicious top layer. Keep an eye on the cheese to ensure it melts perfectly without burning.
Step 7: Serve
Once the cooking time is complete, check that the pierogi are tender before serving. Use a large spoon to gently scoop the casserole into bowls, garnishing each serving with freshly chopped chives for a pop of color and flavor. Your Crockpot Pierogi Casserole is now ready to bring smiles and comfort to your table!

Crockpot Pierogi Casserole Variations
Feel free to personalize your Crockpot Pierogi Casserole to match your cravings and dietary preferences!
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Vegetarian Option: Replace kielbasa with mushrooms or plant-based sausage for a delicious meatless meal. This keeps the hearty essence while being entirely plant-based.
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Add More Veggies: Include bell peppers, spinach, or mushrooms to amp up nutrition and vibrancy. Each bite bursts with color andhealthful goodness, making it a well-rounded dish.
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Dairy-Free Delight: Use coconut milk and cashew cream as substitutes for sour cream and cheese. This provides a wonderful creaminess without the dairy, perfect for lactose intolerance.
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Different Cheeses: Swap cheddar for Gruyère, Monterey Jack, or even feta for a twist on flavor. Each cheese adds a unique character to your casserole!
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Spicy Kick: If you love heat, try adding diced jalapeños or using spicy kielbasa for a kick. This variation will make each serving exhilarating, perfect for spice enthusiasts.
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Create Layers: Try layering with cooked sauerkraut for tanginess; this adds a wonderful texture and flavor profile reminiscent of classic pierogi toppings.
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Herbs & Spices: Incorporate fresh herbs like dill or parsley for extra freshness, or season with paprika for a subtle smoky undertone. These additions will elevate the aromatic experience.
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More Comfort Food: For an extra hearty dish, consider combining this recipe with the flavors of my delicious Crack Breakfast Casserole—an inspired twist to enjoy at any time of day!
Customization is what makes home cooking delightful, and I can’t wait for you to discover your favorite variations!
How to Store and Freeze Crockpot Pierogi Casserole
Fridge: Store the Crockpot Pierogi Casserole in an airtight container in the refrigerator for up to 3 days. Ensure it cools to room temperature before sealing.
Freezer: Freeze the casserole in a freezer-safe container for up to 1 month. To prevent freezer burn, wrap it tightly in plastic wrap or aluminum foil before placing it in the freezer.
Reheating: To reheat, thaw in the fridge overnight, then warm in the microwave or oven until heated through. Add a splash of milk or broth if the casserole seems dry.
Serving: After reheating, garnish with fresh chives to brighten the flavors and add a touch of color!
Make Ahead Options
These Crockpot Pierogi Casserole preparations are perfect for busy home cooks looking to save time during hectic days! You can layer the ingredients—frozen pierogi, kielbasa, and onions—up to 24 hours in advance and store them in the refrigerator before cooking. To ensure the casserole maintains its delicious flavor and texture, remember to cover it tightly with plastic wrap. When you’re ready to serve, simply mix the sauce ingredients and pour them over the layered components before cooking on low for 4 to 5 hours. The casserole will turn out just as mouthwatering and comforting, making mealtime stress-free and enjoyable!
What to Serve with Crockpot Pierogi Casserole
As the savory aromas of your casserole dance through your home, it’s time to create a balanced meal that enhances those delightful flavors.
- Simple Green Salad: A refreshing mix of greens with a tangy vinaigrette cuts through the richness, adding a light touch that complements the casserole wonderfully.
- Steamed Broccoli: Crisp, tender broccoli brings a pop of color and nutrition to your plate, pairing perfectly with the creamy texture of the pierogi.
- Crusty Sourdough Bread: This hearty bread is perfect for scooping up the casserole, offering a delightful texture contrast and an extra element of warmth to your meal.
- Garlic Mashed Potatoes: Creamy, buttery mashed potatoes enhance the comforting theme, making every bite a cozy indulgence; a classic pairing that never disappoints.
- Roasted Carrots and Parsnips: Sweet, caramelized veggies bring a naturally sweet flavor contrast that balances the savory richness of your Crockpot Pierogi Casserole.
- Chilled Beet Salad: The earthiness of beets with a hint of acidity adds a refreshing brightness that elevates the entire dining experience.
- Applesauce: A tangy-sweet applesauce serves as a delightful side, bringing a nostalgic touch that echoes Eastern European traditions.
- Sparkling Water: A fizzy drink with a slice of lemon refreshes the palate and complements the dish’s heartiness without overwhelming flavors.
- Cheesecake: For dessert, a creamy cheesecake brings a luscious ending, balancing the meal with a sweet and satisfying finish.
Expert Tips for Crockpot Pierogi Casserole
• Browning Kielbasa: Browning the kielbasa before adding it enhances its flavor and adds depth to the entire dish, making your Crockpot Pierogi Casserole even more delicious.
• Vegetarian Option: For a meatless twist, replace kielbasa with mushrooms or plant-based sausages. This still offers the heartiness of the original casserole without sacrificing flavor.
• Layering Technique: Ensure even cooking by layering ingredients neatly. This gives your casserole a better texture and consistent flavor throughout.
• Slow-Cooking Time: Monitor the cooking time closely; 4-5 hours on low is ideal. Cooking longer might overcook the pierogi, leading to a mushy texture.
• Cheese Variations: Experiment with different cheeses like Gruyère or Monterey Jack for unique flavor profiles. Add during the last 30 minutes for that perfect melt!
• Storage Love: Make a big batch and enjoy it for days! The Crockpot Pierogi Casserole keeps well in the fridge for up to three days or can be frozen for one month—perfect for busy weeknights!

Crockpot Pierogi Casserole Recipe FAQs
What type of pierogi should I use?
Absolutely! Frozen pierogi work wonderfully in this casserole as they save time and effort. If you’re feeling adventurous, fresh pierogi can be used but remember they may cook a bit faster, so adjust your cooking time to about 3 to 4 hours on low.
How long can I store the Crockpot Pierogi Casserole in the fridge?
Your delicious casserole can be safely stored in an airtight container in the refrigerator for up to 3 days. Just ensure it has cooled down to room temperature before sealing it up tight for the best results!
Can I freeze the leftover casserole?
Yes, indeed! To freeze your Crockpot Pierogi Casserole, pack it into a freezer-safe container after allowing it to cool. It will stay fresh in the freezer for up to 1 month. For best practices, wrap the container in plastic wrap or foil to guard against freezer burn.
How do I reheat the casserole without drying it out?
Great question! Thaw the casserole overnight in the fridge before reheating. When you’re ready to enjoy, warm it in the microwave or the oven until heated through. If you find that the casserole seems a bit dry, simply add a splash of milk or broth before reheating to bring back creaminess.
Can I modify ingredients for dietary restrictions?
Very much so! For a vegetarian option, simply replace the kielbasa with mushrooms or a plant-based sausage. Additionally, for any lactose sensitivities, you may use a dairy-free sour cream alternative and omit the cheese or try a dairy-free cheese substitute. It’s all about making it work for you!
What should I do if my pierogi turn out mushy?
If you notice your pierogi becoming mushy, you may have overcooked them. To prevent this in the future, perhaps try cooking on the low setting for the minimum amount of time needed—around 4 hours—and ensure you are using the recommended amount of liquid to maintain a perfect texture without compromising taste.

Crockpot Pierogi Casserole: Comforting Hearty Goodness
Ingredients
Equipment
Method
- Prepare the Crockpot: Spray the inside of your crockpot generously with non-stick cooking spray to ensure easy serving and cleaning.
- Layer Ingredients: Place half of the frozen pierogi in the bottom of the crockpot, arranging them side by side.
- Mix Sauce: In a medium mixing bowl, combine the condensed cream of mushroom soup, sour cream, and melted butter. Blend until smooth and creamy.
- Repeat Layers: Spread half of the creamy sauce over the first layers of pierogi, kielbasa, and onion. Repeat with remaining ingredients.
- Cook: Cover the crockpot and set it to low for 4 to 5 hours.
- Add Cheese: In the last 30 minutes of cooking, sprinkle the shredded cheddar cheese over the top.
- Serve: Once cooked, check that the pierogi are tender and scoop the casserole into bowls, garnishing with chives.

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