Crockpot Pierogi Kielbasa Casserole

Featured in: Warm Everyday Dinners

This hearty slow cooker dish layers frozen potato and cheese pierogi with smoky kielbasa rounds and thinly sliced onions, all blanketed in a rich, creamy sauce made from condensed mushroom soup, sour cream, and milk. After 4 hours on low, the flavors meld together into a bubbling, golden comfort food that feeds six people. The result is incredibly satisfying—tender dumplings, savory sausage, and gooey cheddar cheese in every bite.

Updated on Tue, 27 Jan 2026 17:15:23 GMT
Slow cooker Crockpot Pierogi Casserole With Kielbasa bubbling with creamy cheese sauce, ready to serve. Pin This
Slow cooker Crockpot Pierogi Casserole With Kielbasa bubbling with creamy cheese sauce, ready to serve. | duneoven.com

This Crockpot Pierogi Casserole With Kielbasa is a comforting, family-friendly meal that brings together pillowy potato and cheese pierogi with smoky kielbasa in a rich, cheesy sauce. This easy recipe yields 6 servings and is perfect for busy weeknights when you want a hearty meal with minimal effort.

Slow cooker Crockpot Pierogi Casserole With Kielbasa bubbling with creamy cheese sauce, ready to serve. Pin This
Slow cooker Crockpot Pierogi Casserole With Kielbasa bubbling with creamy cheese sauce, ready to serve. | duneoven.com

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The slow cooker does all the heavy lifting, allowing the smoky flavors of the kielbasa to meld with the creamy mushroom and sour cream sauce. It’s a warm, cheesy dish that is sure to become a staple in your dinner rotation.

Ingredients

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  • 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 topping)

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 flavor, you can sauté the thinly sliced onions in a pan before adding them to the layers in the slow cooker.

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Varianten und Anpassungen

You can use turkey kielbasa for a lighter version of this casserole. Additionally, feel free to swap the cream of mushroom soup for cream of chicken soup if preferred.

Serviervorschläge

This rich and creamy casserole is best served alongside a crisp green salad or a side of steamed vegetables to balance the flavors.

Golden brown kielbasa slices and tender pierogi layered in a creamy Crockpot Pierogi Casserole With Kielbasa. Pin This
Golden brown kielbasa slices and tender pierogi layered in a creamy Crockpot Pierogi Casserole With Kielbasa. | duneoven.com

This Crockpot Pierogi Casserole With Kielbasa is the ultimate Eastern European-inspired comfort food. With its pillowy pierogi and smoky sausage, it's a satisfying meal that requires very little effort to prepare.

Recipe FAQ

Can I use fresh pierogi instead of frozen?

Yes, fresh pierogi work beautifully in this dish. Reduce cooking time to 3 hours on low since fresh dumplings cook faster than frozen ones. Check for doneness after 2.5 hours to prevent overcooking.

What other meats can I substitute for kielbasa?

Smoked sausage, andouille, or even cooked bacon pieces work well. For a lighter version, turkey kielbasa or chicken sausage reduce the fat content while maintaining great flavor.

Can I make this on high heat instead of low?

Absolutely. Cook on HIGH for 2-2.5 hours instead of 4 hours on low. Check after 2 hours—the pierogi should be tender and the cheese fully melted and bubbly.

How do I store and reheat leftovers?

Refrigerate in an airtight container for up to 4 days. Reheat individual portions in the microwave for 2-3 minutes, or warm the entire dish in a 350°F oven covered with foil for 15-20 minutes.

Can I freeze this casserole?

Yes, assemble and freeze before cooking. Thaw overnight in the refrigerator, then cook as directed. Already-cooked portions can be frozen for up to 2 months and reheated in the microwave or oven.

What sides pair well with this dish?

A crisp green salad with vinaigrette balances the richness. Steamed broccoli, roasted Brussels sprouts, or pickled vegetables also complement the creamy, savory flavors nicely.

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Crockpot Pierogi Kielbasa Casserole

Creamy, cheesy comfort food made simple in your slow cooker with frozen pierogi, sliced kielbasa, and a velvety mushroom sauce.

Prep Time
15 minutes
Cook Time
240 minutes
Total Duration
255 minutes
Published by Dune Oven Sara Whitfield

Recipe Category Warm Everyday Dinners

Skill Level Easy

Cuisine Type American, Eastern European-inspired

Servings Made 6 Portions

Dietary Details None specified

What You Need

Main Ingredients

01 2 (16 oz) packages 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 (10.5 oz) can 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 chopped fresh chives or parsley

How To Make It

Step 01

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

Step 02

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

Step 03

Add Protein and Aromatics: Top with half of the sliced kielbasa and half of the sliced onions.

Step 04

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

Step 05

Repeat Layers: Layer remaining pierogi, kielbasa, onions, and top with 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 smooth and well combined.

Step 07

Pour Sauce: Pour the sauce evenly over all layered ingredients in the slow cooker, ensuring even distribution.

Step 08

Cook Casserole: Cover and cook on LOW setting for 4 hours, until the casserole is heated through and the mixture is bubbly at the edges.

Step 09

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

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Things You'll Need

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

Allergens

Review every ingredient for allergens and speak with a healthcare provider when unsure.
  • Contains milk and dairy products
  • Contains wheat and gluten
  • Contains pork (kielbasa)
  • May contain soy from canned soup products
  • May contain egg in pierogi products

Nutrition Details (per serving)

Nutrition is for your information and isn’t meant as medical advice.
  • Calories: 530
  • Fats: 32 g
  • Carbohydrates: 39 g
  • Proteins: 21 g

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