Crockpot Pierogi Kielbasa Casserole

Featured in: One-Pot Comfort Dishes

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 and melted cheddar cheese. The hands-free preparation takes just 15 minutes, then the crockpot does all the work over 4 hours, transforming simple ingredients into bubbling comfort food. The mushroom-sour cream sauce creates velvety textures throughout, while the cheese develops a golden, melty topping. Perfect for busy weeknights or weekend gatherings, this Eastern European-inspired casserole serves six and pairs beautifully with crisp salads or steamed vegetables for a complete meal.

Updated on Wed, 28 Jan 2026 01:51:16 GMT
Slow cooker Crockpot Pierogi Casserole With Kielbasa features bubbling cheese and tender pierogi layered in a rich sauce. Save
Slow cooker Crockpot Pierogi Casserole With Kielbasa features bubbling cheese and tender pierogi layered in a rich sauce. | sizzlebloom.com

Crockpot Pierogi Casserole With Kielbasa is a comforting, family-friendly dish that is incredibly easy to prepare in a slow cooker. This meal features pillowy pierogi, smoky kielbasa, and a creamy, cheesy sauce, making it an ideal choice for a stress-free dinner.

Slow cooker Crockpot Pierogi Casserole With Kielbasa features bubbling cheese and tender pierogi layered in a rich sauce. Save
Slow cooker Crockpot Pierogi Casserole With Kielbasa features bubbling cheese and tender pierogi layered in a rich sauce. | sizzlebloom.com

This casserole combines American convenience with Eastern European-inspired flavors. By layering the ingredients and allowing them to cook slowly for four hours, you create a rich and bubbly dish that is perfect for any occasion.

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)
Product image
Boil water quickly for tea, coffee, instant soups, and faster prep when cooking grains or noodles.
Check price on Amazon

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, consider sautéing the onions before adding them to the crockpot. This helps to release their natural sweetness and enhances the overall savory profile of the dish.

Varianten und Anpassungen

You can use turkey kielbasa for a lighter version of this casserole. Additionally, if you prefer a different base, you can swap in cream of chicken soup instead of the cream of mushroom soup.

Serviervorschläge

To balance the richness of the cheese and cream sauce, serve this casserole with a crisp green salad or a side of steamed vegetables.

Creamy Crockpot Pierogi Casserole With Kielbasa served steaming in a bowl with fresh chives for garnish. Save
Creamy Crockpot Pierogi Casserole With Kielbasa served steaming in a bowl with fresh chives for garnish. | sizzlebloom.com

This Crockpot Pierogi Casserole With Kielbasa provides a hearty dinner with 530 calories per serving. Its simple preparation and classic taste make it a reliable favorite for any family meal.

Product image
Blend smoothies, sauces, and shakes quickly for easy breakfasts, snacks, and meal prep.
Check price on Amazon

Common Questions

Can I use fresh pierogi instead of frozen?

Fresh pierogi work beautifully and may cook slightly faster—check for doneness around 3.5 hours to prevent them from becoming too soft.

What other meats can I substitute for kielbasa?

Smoked sausage, andouille, or even cooked bacon pieces work well. Turkey or beef kielbasa are great lighter alternatives to traditional pork.

Can I make this on high heat?

Yes, cook on HIGH for 2-2.5 hours instead of 4 hours on low. Watch closely near the end to prevent the edges from drying out.

How do I store leftovers?

Refrigerate in an airtight container for up to 4 days. Reheat gently in the microwave with a splash of milk to restore creaminess.

Can I freeze this dish?

Assemble and freeze before cooking for up to 3 months. Thaw overnight in the refrigerator before cooking as directed.

What sides pair well with this casserole?

A crisp green salad with vinaigrette balances the richness. Steamed broccoli, roasted green beans, or sauerkraut also complement the Eastern European flavors.

Crockpot Pierogi Kielbasa Casserole

Hearty slow cooker bake with tender pierogi, sliced kielbasa, and creamy cheddar sauce—perfect for easy family dinners.

Setup Duration
15 min
Heat Duration
240 min
Complete Duration
255 min
Created by Emily Dawson

Classification One-Pot Comfort Dishes

Skill Level Easy

Heritage American, Eastern European-inspired

Output 6 Portions

Nutrition Labels None specified

Components

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 milk
04 1/2 teaspoon garlic powder
05 1/4 teaspoon black pepper

Topping

01 2 tablespoons chopped fresh chives or parsley

Method Steps

Phase 01

Prepare the Slow Cooker: Lightly grease the insert of a 6-quart slow cooker.

Phase 02

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

Phase 03

Add First Layer Fillings: Top with half the sliced kielbasa and half the onions, then sprinkle with 1 cup of shredded cheddar cheese.

Phase 04

Create Second Layer: Repeat layers with remaining pierogi, kielbasa, onions, and remaining cup of cheese.

Phase 05

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

Phase 06

Add Sauce: Pour the sauce evenly over the layered ingredients in the slow cooker.

Phase 07

Slow Cook: Cover and cook on LOW for 4 hours, or until everything is hot and bubbly.

Phase 08

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

Kitchen Tools

  • 6-quart slow cooker
  • Cutting board and knife
  • Mixing bowl and whisk
  • Measuring cups and spoons

Dietary Alerts

Always review ingredients individually for potential allergens and seek professional medical guidance when uncertain.
  • Contains milk and gluten
  • May contain soy from soup and egg from pierogi
  • Contains pork from kielbasa
  • Always check ingredient labels for allergens in prepared pierogi and soup

Dietary Information (per portion)

Values shown are estimates and shouldn't replace professional medical consultation.
  • Energy Value: 530
  • Fats: 32 g
  • Carbohydrates: 39 g
  • Proteins: 21 g