Crockpot Pierogi Casserole with Kielbasa

This Crockpot Pierogi Casserole with Kielbasa is the perfect comfort food—rich, creamy, and packed with cheesy goodness. It features frozen cheddar pierogies, smoky kielbasa, and a velvety cream cheese sauce, all slow-cooked to perfection. Whether you’re feeding a hungry family or preparing an easy meal for a gathering, this dish delivers big flavor with minimal effort.

Slow cooker meals like this one make busy weeknights easier. Simply toss the ingredients in the crockpot, set it, and let it cook while you go about your day. The pierogies soak up the creamy broth, while the kielbasa infuses the dish with a delicious smoky taste. A final touch of melted cheddar cheese pulls everything together, making each bite irresistibly rich and satisfying.

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Why You’ll Love This Recipe

• Easy to Make – Just a few minutes of prep and the slow cooker does the rest.
• One-Pot Meal – Fewer dishes to clean, making it a hassle-free dinner option.
• Rich and Cheesy – A creamy blend of cheddar and cream cheese creates the perfect sauce.
• Family-Friendly – A crowd-pleasing dish that both kids and adults will love.
• Customizable – Add bacon, onions, or spice for extra flavor.

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Preparation Phase & Tools to Use

Essential Tools and Equipment

To make this crockpot pierogi casserole, you’ll need:

• Crockpot (4-6 quart capacity) – Ensures even cooking and blends the flavors perfectly.
• Sharp knife – For slicing the kielbasa into bite-sized pieces.
• Measuring cups – To measure out the broth and cheese.
• Mixing bowl and whisk – For preparing the cream cheese mixture.

Preparation Tips

• Use frozen pierogies straight from the bag—no need to thaw them first.
• Slice the kielbasa into ¼-inch rounds for even distribution.
• Warm the cream cheese before adding to ensure a smooth, lump-free sauce.
• Stir halfway through cooking to prevent ingredients from sticking together.

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Ingredients

Gather everything you need for this easy slow-cooker meal:

• 3 packages (16 ounces each) frozen cheddar pierogies
• 4 cups chicken broth, divided
• 1 (8-ounce) block cream cheese
• 1 cup shredded cheddar cheese (plus extra for topping)
• 1 pound kielbasa, sliced
• Salt and pepper, to taste

Optional Additions for Extra Flavor

• ½ cup cooked, crumbled bacon – Adds a smoky, crispy touch.
• 1 small onion, diced and sautéed – Enhances the dish with a mild sweetness.
• ½ teaspoon smoked paprika – Deepens the smoky flavor.
• ¼ teaspoon red pepper flakes – Adds a slight heat.

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Step-by-Step Directions

1. Combine Ingredients in Crockpot

• In a 4-6 quart crockpot, add 3 cups of chicken broth, frozen pierogies, sliced kielbasa, and 1 cup of shredded cheddar cheese.
• Stir gently to ensure the ingredients are evenly distributed.

2. Cook the Casserole

• Cover and cook on HIGH for 3-4 hours or LOW for 6 hours until the pierogies are tender and the flavors have melded together.

3. Prepare the Cream Cheese Mixture

• About 30 minutes before the cooking time ends, warm the cream cheese with the remaining 1 cup of chicken broth either in the microwave or on the stovetop.
• Whisk until the mixture is smooth and creamy.

4. Final Assembly

• Pour the cream cheese mixture into the crockpot and stir well to combine.
• Sprinkle additional shredded cheddar cheese over the top.
• Cover and cook on LOW for an additional 30 minutes to allow the cheese to melt and flavors to blend.

5. Serve and Enjoy

• Spoon the casserole into bowls or onto plates.
• Garnish with sliced green onions for a pop of color and mild onion flavor.

Best Side Dishes to Serve with Pierogi Casserole

1. Steamed Vegetables

A simple side of steamed broccoli, green beans, or Brussels sprouts adds freshness and balances the richness of the dish. Lightly season with salt, pepper, and a drizzle of olive oil for extra flavor.

2. Crisp Green Salad

A fresh salad with a light vinaigrette helps cut through the creaminess of the casserole. A mix of lettuce, cherry tomatoes, cucumbers, and red onions with a tangy balsamic or lemon dressing works well.

3. Garlic Bread or Dinner Rolls

Warm, buttery garlic bread or soft dinner rolls make a great addition to soak up the creamy sauce from the casserole.

4. Sautéed Cabbage

A traditional pairing with pierogies and kielbasa, sautéed cabbage with butter, garlic, and a touch of vinegar adds a mild sweetness that complements the smoky flavors.

5. Roasted Carrots

Sweet, roasted carrots with a hint of honey or maple syrup bring out the deep flavors of the casserole while adding a touch of natural sweetness.

6. Coleslaw

A crisp, tangy coleslaw provides a crunchy contrast to the soft, cheesy pierogies. A classic vinegar-based slaw works best for cutting through the richness of the dish.

7. Pickles or Sauerkraut

For a more traditional Polish-inspired meal, tangy pickles or fermented sauerkraut add acidity that balances the creaminess of the casserole.

8. Mashed Potatoes

If you’re looking for an ultra-comforting meal, serve the casserole alongside buttery mashed potatoes. While it’s a heavier combination, it’s perfect for cold nights when you want a truly indulgent dish.

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Common Mistakes to Avoid & How to Perfect the Recipe

1. Overcooking the Pierogies

Leaving the pierogies in the slow cooker too long, especially on high heat, can make them mushy. To prevent this, cook on LOW for 6 hours instead of HIGH for 3-4 hours.

2. Not Warming the Cream Cheese Properly

Adding cold cream cheese directly to the crockpot can cause lumps. Instead, warm it with some chicken broth until smooth before stirring it into the casserole.

3. Using Low-Fat Cheese

Reduced-fat cheeses do not melt as well and can create a grainy texture. Stick with full-fat cheddar and cream cheese for the best results.

4. Skipping the Stirring Step

While the slow cooker does most of the work, stirring once halfway through ensures even distribution of flavors and prevents ingredients from sticking together.

5. Not Seasoning Properly

While the kielbasa and cheese add plenty of flavor, taste and adjust seasoning with salt and pepper before serving. Adding a small amount of garlic powder, smoked paprika, or red pepper flakes can enhance the dish.

6. Choosing the Wrong Type of Kielbasa

For the best results, use a smoked kielbasa rather than fresh sausage. Smoked kielbasa holds its texture better and adds a deeper, more complex flavor to the casserole.

7. Forgetting to Add Garnishes

While optional, toppings like green onions, crispy bacon, or fresh parsley add color and enhance the dish’s flavor.

8. Making the Casserole Too Thick

If the sauce becomes too thick after cooking, add a splash of chicken broth and stir well to loosen it up before serving.

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Customizing the Recipe to Your Taste

While this Crockpot Pierogi Casserole is delicious as written, you can easily adjust it to suit different preferences.

• Make It Spicy – Use spicy kielbasa or add red pepper flakes for extra heat.
• Add More Protein – Stir in shredded rotisserie chicken or crumbled bacon for additional heartiness.
• Vegetarian Option – Swap the kielbasa for sautéed mushrooms, bell peppers, and spinach.
• Extra Cheese Lovers – Mix in Parmesan or Gouda for a deeper cheese flavor.
• Lower-Calorie Version – Use reduced-fat cream cheese and turkey kielbasa for a lighter meal.

Expert Tips for the Best Pierogi Casserole

1. Use Quality Ingredients

The flavor of this dish depends heavily on the quality of the kielbasa and cheese. Opt for a good-quality smoked kielbasa and sharp cheddar cheese for the best taste.

2. Prevent Overcooking

Pierogies can become too soft if left in the crockpot too long. Cooking on LOW for 6 hours instead of HIGH ensures they stay tender without getting mushy.

3. Adjust the Thickness of the Sauce

If the sauce is too thick after cooking, stir in a splash of warm chicken broth to loosen it up. If it’s too thin, add a little extra cheese or let it cook uncovered for the last 20 minutes.

4. Stir Gently

Pierogies are delicate, so avoid aggressive stirring. Instead, gently mix the ingredients halfway through cooking to prevent sticking.

5. Add a Crunchy Topping

For extra texture, sprinkle toasted breadcrumbs or crushed crackers over the casserole before serving.

6. Customize with Extra Ingredients

Try mixing in sautéed onions, mushrooms, or crispy bacon for additional flavor.

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Storage & Reheating Instructions

Refrigeration

• Store leftovers in an airtight container in the refrigerator for up to 3 days.
• Reheat portions individually or warm the entire dish using the methods below.

Freezing

• This casserole can be frozen, but the texture of the pierogies may change slightly.
• Let the dish cool completely before transferring it to a freezer-safe container.
• Store for up to 2 months.

Reheating Instructions

• Microwave: Place a portion in a microwave-safe dish, cover, and heat in 30-second intervals, stirring in between.
• Oven: Preheat to 350°F and bake in a covered dish for 15-20 minutes until warmed through.
• Crockpot: Reheat on LOW for 1 hour, stirring occasionally and adding a bit of broth if needed.

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FAQs

1. Can I use fresh pierogies instead of frozen?

Yes, but fresh pierogies cook faster. Reduce the slow cooker time to 2-3 hours on LOW to avoid overcooking.

2. What can I substitute for kielbasa?

If you don’t have kielbasa, try using smoked sausage, bratwurst, or even cooked bacon for a different twist.

3. Can I make this dish ahead of time?

Yes. Assemble the ingredients in the crockpot and store them in the fridge overnight. Start cooking the next day as directed.

4. How do I make this recipe vegetarian?

Skip the kielbasa and replace it with sautéed mushrooms, bell peppers, and onions for a flavorful vegetarian version.

5. Can I use a different type of cheese?

Absolutely. While cheddar works best, Gouda, mozzarella, or Monterey Jack are great alternatives for a different flavor.

6. How do I prevent the sauce from becoming too thick?

Adding an extra ½ cup of chicken broth before serving can help keep the sauce creamy without making it too runny.

7. What can I do if the casserole turns out too salty?

If the dish is too salty, add a bit of unsalted broth or a splash of cream to balance the flavors.

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Final Thoughts

This Crockpot Pierogi Casserole with Kielbasa is an easy, comforting meal that is perfect for busy weeknights, family gatherings, or meal prepping. With its creamy sauce, cheesy goodness, and smoky kielbasa, it’s sure to be a favorite at the dinner table.

By following the tips for cooking, storing, and reheating, you can enjoy this dish with minimal effort while keeping the flavors just as delicious as when it was freshly made. Whether you’re serving it with a side salad, pickles, or warm garlic bread, this slow cooker casserole is a satisfying, no-fuss meal the whole family will love.