Crockpot Pierogi Casserole with Kielbasa

This Crockpot Pierogi Casserole with Kielbasa is the perfect combination of comfort food and convenience. With just a handful of ingredients, this dish delivers a creamy, cheesy, and smoky flavor profile that makes it a great option for busy weeknights or casual family dinners.

By using frozen cheddar pierogies, smoky kielbasa, and a rich cheese sauce, this casserole requires minimal prep while producing maximum flavor. The slow cooker does all the work, making it ideal for those who want a hearty meal with little effort.

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Why You’ll Love This Recipe

• Effortless Cooking – The crockpot handles everything, making this an easy dump-and-go meal.
• Rich and Creamy – A blend of cream cheese and cheddar ensures a velvety, flavorful sauce.
• Great for Meal Prep – Leftovers reheat well, making this an excellent make-ahead meal.
• Crowd-Pleasing – A satisfying dish that’s perfect for potlucks or gatherings.

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Ingredients You’ll Need

Main Ingredients

• 3 packages (12-16 oz each) frozen cheddar pierogies
• 1 lb kielbasa, sliced
• 4 cups chicken broth, divided
• 1 (8 oz) block cream cheese
• 1 cup shredded cheddar cheese (plus extra for topping)
• Salt and pepper, to taste

Optional Garnish

• Sliced green onions

These ingredients come together to create a dish that’s both rich and satisfying. The combination of smoky kielbasa and cheesy pierogies makes this a flavor-packed meal that requires very little hands-on effort.

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Step-by-Step Directions

Step 1: Assemble Ingredients in the Crockpot

• In a 4-6 quart slow cooker, combine 3 cups of chicken broth, frozen pierogies, sliced kielbasa, and 1 cup of shredded cheddar cheese.
• Stir gently to ensure even distribution.

Step 2: Slow Cook

• Cover and cook on HIGH for 3-4 hours or on LOW for 6 hours.
• Stir occasionally if possible to prevent sticking.

Step 3: Prepare the Cheese Sauce

• About 30 minutes before the cooking time ends, heat the cream cheese and remaining 1 cup of chicken broth in the microwave or on the stovetop.
• Whisk until smooth and fully combined.

Step 4: Add the Cheese Sauce

• Pour the cream cheese mixture into the crockpot, stirring well to coat the pierogies and kielbasa.
• Sprinkle additional shredded cheddar cheese over the top.

Step 5: Finish Cooking and Serve

• Cover and continue cooking on LOW for 30 minutes, allowing the flavors to meld and the cheese to melt.
• Serve hot, garnished with sliced green onions, if desired.

This method ensures that the pierogies remain tender without becoming mushy, while the sauce thickens into a smooth, creamy consistency that coats every bite.

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Preparation Tips and Variations

Tips for Success

• Use smoked kielbasa for an extra layer of deep, rich flavor.
• Don’t skip stirring – mixing occasionally prevents sticking and ensures even cooking.
• Shred your own cheese for the best melt. Pre-shredded cheese contains anti-caking agents that can affect the texture of the sauce.

Flavor Variations

• Spicy Version – Add red pepper flakes or a few dashes of hot sauce.
• Vegetable Additions – Stir in sautéed onions, mushrooms, or spinach for added texture.
• Different Cheeses – Swap cheddar for gouda, mozzarella, or a sharp white cheddar.

Serving Suggestions

This Crockpot Pierogi Casserole with Kielbasa is a rich and hearty dish, making it best paired with lighter sides or complementary flavors. Whether you want to balance the creaminess with something fresh or add extra depth to the meal, here are some great side dish ideas.

1. Steamed or Roasted Vegetables

A side of steamed broccoli, green beans, or roasted Brussels sprouts adds freshness and color to the plate. The natural sweetness of roasted vegetables enhances the smoky flavors of the kielbasa.

2. Simple Garden Salad

A light salad with mixed greens, cherry tomatoes, cucumbers, and a tangy vinaigrette cuts through the richness of the dish. Adding a little acidity balances the heavy cheese sauce.

3. Garlic Bread or Dinner Rolls

Soft dinner rolls or crispy garlic bread help soak up the creamy sauce. A side of warm bread makes the meal feel even more indulgent.

4. Coleslaw

A crisp, slightly tangy coleslaw provides a refreshing contrast to the creamy pierogi casserole. A vinegar-based coleslaw works best to balance the flavors.

5. Roasted Potatoes

If you want to add even more heartiness, roasted potatoes with herbs and a touch of garlic complement the cheesy sauce while adding texture.

6. Sautéed Cabbage

Since pierogies and kielbasa are often served with cabbage in traditional Eastern European meals, sautéing some cabbage with butter, salt, and pepper makes an excellent pairing.

7. Pickles or Sauerkraut

For those who enjoy a tangy contrast, pickles or sauerkraut add a bright, acidic flavor that balances the richness of the casserole. This pairing also enhances the Polish-inspired flavors.

8. Applesauce

A slightly sweet applesauce pairs well with the smoky kielbasa, adding a mild contrast without overpowering the main dish.

By choosing a lighter or tangier side, you can balance the creamy, cheesy nature of the casserole and create a well-rounded meal.

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Common Mistakes and How to Perfect the Recipe

Even though this recipe is simple, a few common mistakes can affect the final outcome. Here’s how to avoid them and ensure your dish turns out perfect every time.

1. Overcooking the Pierogies

Mistake: Cooking the pierogies for too long can make them mushy.
Solution: Stick to the recommended cooking time and check for doneness around the 3-hour mark on HIGH or 5-hour mark on LOW to prevent overcooking.

2. Not Stirring the Cheese Sauce Well

Mistake: The cream cheese can stay lumpy if not properly melted and whisked before adding to the crockpot.
Solution: Heat the cream cheese with chicken broth separately and whisk until completely smooth before incorporating it into the casserole.

3. Using Pre-Shredded Cheese

Mistake: Pre-packaged shredded cheese contains anti-caking agents, preventing smooth melting.
Solution: Grate your own cheese for the best melting consistency and creaminess.

4. Not Seasoning Properly

Mistake: Depending on the broth and cheese, the casserole may need additional seasoning.
Solution: Taste the dish before serving and adjust with salt, pepper, or a dash of garlic powder if needed.

5. Adding Too Much Liquid

Mistake: Extra liquid can make the sauce too thin and watery.
Solution: Stick to the recommended broth measurements and allow the sauce to thicken as it cooks. If needed, let the casserole sit uncovered for a few minutes before serving.

6. Skipping the Garnish

Mistake: Not adding a garnish makes the dish look less appealing.
Solution: Sprinkle chopped green onions, fresh parsley, or extra cheese on top for a better presentation and added flavor.

7. Using the Wrong Type of Kielbasa

Mistake: Some kielbasa varieties may be too dry or too salty.
Solution: Smoked kielbasa works best, as it adds depth to the dish without overpowering the other ingredients.

8. Rushing the Final Step

Mistake: Not letting the dish sit for a few minutes before serving can lead to a thin sauce.
Solution: Allow the casserole to rest for 5 minutes after cooking. This helps the sauce thicken and flavors fully develop.

By avoiding these common mistakes and following the best preparation methods, you can ensure that every bite of your pierogi casserole is flavorful, creamy, and perfectly cooked.