Crockpot Pierogi Kielbasa Casserole

Featured in: Simple Comfort Plates

This comforting slow cooker meal combines frozen potato and cheese pierogi with smoky sliced kielbasa and melted cheddar. The creamy sauce blends condensed mushroom soup with sour cream, milk, garlic powder, and black pepper. Simply layer everything in your crockpot, pour the sauce over top, and let it cook on low for 4 hours until hot and bubbly.

The result is a hearty, satisfying dinner that feeds six with minimal hands-on time. The pierogi become tender and pillowy as they absorb the creamy sauce, while the kielbasa infuses the dish with smoky depth. Cheddar cheese melts throughout, creating rich, cheesy pockets in every bite.

Updated on Tue, 27 Jan 2026 18:19:51 GMT
Golden, bubbling cheddar tops this Crockpot Pierogi Casserole With Kielbasa fresh from the slow cooker. Pin it
Golden, bubbling cheddar tops this Crockpot Pierogi Casserole With Kielbasa fresh from the slow cooker. | freshymeals.com

Crockpot Pierogi Casserole With Kielbasa is the ultimate comfort food for busy weeknights. This dish combines the soft, pillowy texture of potato and cheese pierogi with the smoky, savory flavor of sliced kielbasa, all tied together in a rich and creamy sauce. It is a family-friendly meal that transforms simple pantry staples into a hearty feast with minimal effort in your slow cooker.

Golden, bubbling cheddar tops this Crockpot Pierogi Casserole With Kielbasa fresh from the slow cooker. Pin it
Golden, bubbling cheddar tops this Crockpot Pierogi Casserole With Kielbasa fresh from the slow cooker. | freshymeals.com

The beauty of this slow cooker casserole lies in its simple layers. As the ingredients cook on low, the frozen pierogi absorb the flavors of the creamy mushroom and sour cream sauce, becoming incredibly tender. Meanwhile, the kielbasa infuses every bite with a hint of smokiness, resulting in a dish that tastes like it spent hours in a traditional kitchen.

Ingredients

  • 2 (16 oz) packages frozen potato and cheese pierogi
  • 1 lb (450 g) kielbasa, sliced into ½-inch rounds
  • 1 medium yellow onion, thinly sliced
  • 2 cups (200 g) shredded cheddar cheese
  • 1 (10.5 oz/300 g) can condensed cream of mushroom soup
  • 1 cup (240 ml) sour cream
  • ½ cup (120 ml) milk
  • ½ tsp garlic powder
  • ¼ tsp black pepper
  • 2 tbsp chopped fresh chives or parsley (optional)
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Instructions

Step 1
Lightly grease the insert of a 6-quart slow cooker.
Step 2
Layer half the frozen pierogi on the bottom of the slow cooker.
Step 3
Top with half the sliced kielbasa and half the onions.
Step 4
Sprinkle with 1 cup of shredded cheddar cheese.
Step 5
Repeat layers with remaining pierogi, kielbasa, onions, and another cup of cheese.
Step 6
In a medium bowl, whisk together the cream of mushroom soup, sour cream, milk, garlic powder, and black pepper until smooth.
Step 7
Pour the sauce evenly over the layered ingredients in the slow cooker.
Step 8
Cover and cook on LOW for 4 hours, or until everything is hot and bubbly.
Step 9
Garnish with chopped chives or parsley before serving, if desired.

Zusatztipps für die Zubereitung

For extra depth of flavor, consider sautéing the onions in a small amount of butter until they are translucent or slightly caramelized before adding them to the slow cooker. This adds a sweet richness that complements the savory kielbasa perfectly.

Varianten und Anpassungen

You can easily customize this dish to suit your preferences. For a lighter version, swap the traditional pork kielbasa for turkey or beef varieties. If you are not a fan of mushrooms, condensed cream of chicken soup is an excellent alternative that maintains the same creamy consistency.

Serviervorschläge

This rich and cheesy casserole pairs wonderfully with a fresh, crisp green salad or a side of steamed seasonal vegetables. A sprinkle of fresh chives or parsley just before serving adds a bright, herbal finish that cuts through the creamy sauce.

Savory slices of kielbasa nestle between soft potato and cheese pierogi in this creamy casserole. Pin it
Savory slices of kielbasa nestle between soft potato and cheese pierogi in this creamy casserole. | freshymeals.com

Whether you are feeding a hungry family or preparing for a potluck, this Crockpot Pierogi Casserole With Kielbasa is a reliable and delicious choice. Its combination of soft pierogi, smoky sausage, and bubbly cheese is sure to make it a new favorite in your household rotation.

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Recipe FAQs

Can I use fresh pierogi instead of frozen?

Yes, fresh pierogi work well but may require slightly less cooking time. Check for doneness around 3 hours to prevent them from becoming too soft.

What other meats can I substitute for kielbasa?

Turkey kielbasa, smoked sausage, or even cooked bacon work beautifully. For a lighter version, try turkey kielbasa or chicken sausage.

Can I assemble this ahead of time?

Absolutely. Assemble all layers in the slow cooker insert the night before, refrigerate, then start cooking when ready. Add 30-60 minutes to cooking time if starting from cold.

Can I make this in the oven instead?

Yes. Layer ingredients in a 9x13 baking dish, cover with foil, and bake at 350°F for 45-60 minutes until bubbly and heated through.

What sides pair well with this casserole?

A crisp green salad with vinaigrette cuts through the richness. Steamed broccoli or roasted green beans also complement the hearty flavors nicely.

How do I store and reheat leftovers?

Refrigerate in an airtight container for up to 4 days. Reheat individual portions in the microwave, or warm the entire dish in a 350°F oven covered with foil until hot.

Crockpot Pierogi Kielbasa Casserole

Hearty layers of potato pierogi, smoky kielbasa, and cheddar cheese in a creamy sauce

How long to prep
15 min
Time to cook
240 min
Overall time
255 min
Recipe by Freshymeals Lily Carter

Dish category Simple Comfort Plates

Skill level Easy

Cuisine type American-Eastern European

Makes 6 Serving size

Dietary details None specified

What you need

Main Ingredients

01 2 packages (32 oz) frozen potato and cheese pierogi
02 1 lb kielbasa, sliced into 1/2-inch rounds
03 1 medium yellow onion, thinly sliced
04 2 cups shredded cheddar cheese

Sauce

01 1 can (10.5 oz) condensed cream of mushroom soup
02 1 cup sour cream
03 1/2 cup whole milk
04 1/2 teaspoon garlic powder
05 1/4 teaspoon black pepper

Topping

01 2 tablespoons fresh chives or parsley, chopped

Steps to follow

Step 01

Prepare the Slow Cooker: Lightly grease the insert of a 6-quart slow cooker with cooking spray or butter.

Step 02

Create First Layer: Arrange half of the frozen pierogi evenly on the bottom of the prepared slow cooker.

Step 03

Add Proteins and Vegetables: Top the pierogi layer with half of the sliced kielbasa and half of the sliced onions.

Step 04

Add Cheese: Sprinkle 1 cup of shredded cheddar cheese over the kielbasa and onions.

Step 05

Build Second Layer: Repeat the layering process with the remaining pierogi, kielbasa, onions, and the remaining 1 cup of cheddar cheese.

Step 06

Prepare Sauce: In a medium mixing bowl, whisk together the cream of mushroom soup, sour cream, milk, garlic powder, and black pepper until completely smooth.

Step 07

Combine and Cook: Pour the prepared sauce evenly over all the layered ingredients in the slow cooker.

Step 08

Slow Cook: Cover the slow cooker and cook on LOW for 4 hours, until the casserole is heated through and the sauce is bubbling gently.

Step 09

Garnish and Serve: Top with chopped fresh chives or parsley before serving if desired.

Tools you’ll need

  • 6-quart slow cooker
  • Cutting board and chef's knife
  • Medium mixing bowl
  • Whisk
  • Measuring cups and spoons

Allergy info

Always check each ingredient for allergens and talk to a professional if unsure.
  • Contains milk and dairy products
  • Contains gluten (wheat) in pierogi
  • May contain soy (in cream soup)
  • May contain eggs (in pierogi)
  • Contains pork (kielbasa)
  • Always verify ingredient labels on prepared pierogi and canned soup for allergen information

Nutrition info (per portion)

Nutrition details are for reference only, not a substitute for health advice.
  • Calories per serving: 530
  • Fat content: 32 g
  • Carbohydrates: 39 g
  • Protein amount: 21 g