Written by: Ingrid Larsen

Crockpot Pierogi Casserole with Kielbasa

Last Update on July 19, 2025

Slow cookers make dinner feel almost effortless, and this crockpot pierogi casserole with kielbasa proves it. Pillowy pierogies soak up …

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Published on

October 2, 2024

Tender pierogies, browned kielbasa, and caramelized onions slow-cook in butter for a hands-off, comforting main dish.

Difficulty

easy

Prep time

10 min

Cooking time

180 min

Total time

190 min

Servings

4

Slow cookers make dinner feel almost effortless, and this crockpot pierogi casserole with kielbasa proves it. Pillowy pierogies soak up buttery onion goodness while smoked kielbasa turns golden and crisp — the kind of hearty meal that earns repeat requests on chilly nights.

Crockpot Pierogi Casserole with Kielbasa

Recipe by Ingrid LarsenCourse: MainCuisine: AmericanDifficulty: Easy
Servings

4

servings
Prep time

10

minutes
Cooking time

3

hours 
Total time

190

minutes
Calories

600

kcal

3

hours 

10

minutes

Tender pierogies, smoky kielbasa, and sweet onions simmer together in butter for a set-and-forget comfort casserole.

Ingredients

  • 1 lb kielbasa sausage, sliced

  • 1 stick unsalted butter, divided

  • 1 large yellow onion, thinly sliced

  • 1 pkg frozen pierogies (about 16)

  • 1 tbsp minced garlic

  • Salt, to taste

  • Black pepper, to taste

  • Sour cream, for serving

Directions

  • Brown kielbasa in a skillet over medium heat, about 3–4 minutes per side.
  • Transfer kielbasa to a 4–6 qt slow cooker.
  • Melt ½ stick butter in the same skillet; sauté onions until lightly golden, 5–6 minutes.
  • Layer onions over kielbasa in the cooker.
  • Dot pierogies with remaining butter, then add to cooker.
  • Sprinkle garlic, salt, and pepper over everything; stir gently.
  • Cover and cook on LOW for 3 hours, until pierogies are tender and heated through.
  • Stir once, plate hot, and top with sour cream.

Notes

    Swap pierogies with your favorite fillings. For extra richness, stir in ½ cup shredded cheddar during the last 10 minutes.

What You’ll Need

Gather these staples and a couple of trusty tools before you start:

  • 1 lb sliced kielbasa sausage
  • 1 stick unsalted butter (divided)
  • 1 large yellow onion, thinly sliced
  • 1 package frozen pierogies (potato-cheddar works great)
  • 1 tablespoon minced garlic
  • Salt and black pepper
  • Sour cream for serving
  • Large skillet for browning
  • 4–6 qt slow cooker
  • Wooden spoon or heat-safe spatula

Detailed Cooking Instructions

Time needed: 3 hours and 10 minutes

Hands-off crockpot pierogi casserole packed with smoky kielbasa, sweet onions, and buttery goodness.

  1. Brown kielbasa

    Sear sliced kielbasa in a skillet over medium heat until edges crisp, about 4 minutes.

  2. Layer in cooker

    Move kielbasa to slow cooker; top with sautéed onions cooked in half the butter.

  3. Add pierogies

    Dot pierogies with remaining butter, add to cooker, and sprinkle garlic, salt, and pepper.

  4. Slow cook

    Cover and cook on LOW 3 hours, stirring halfway, until pierogies are tender and heated through.

  5. Serve

    Spoon into bowls and crown each serving with a dollop of sour cream.

Tips & Tricks

Pierogies, sliced kielbasa, and caramelized onions sizzling together in a cast-iron skillet.
Golden pierogies mingle with smoky kielbasa and sweet onions—ready to finish in the crockpot for an effortless casserole.
  • Need a creamier texture? Stir ½ cup sour cream into the crockpot during the last 15 minutes for a silky sauce.
  • Swap pierogi fillings: potato-cheddar is classic, but mushroom or sauerkraut pierogies add a tangy twist.
  • Short on time? Use pre-browned smoked beef sausage; skip the skillet step and go straight to the slow cooker.
  • Leftovers reheat well in a skillet with a splash of broth — perfect for “easy crockpot pierogi casserole” lunches.
  • Make ahead: assemble everything the night before, refrigerate, then start the slow cooker in the morning for fuss-free dinner.

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Frequently Asked Questions

Can I cook pierogies in a slow cooker?

Yes. Frozen pierogies soften nicely on LOW heat when covered with butter and a bit of moisture from the onions and kielbasa.

How do you make pierogies in the crockpot Don’t Starve?

In the Don’t Starve game you combine meat, vegetable, and egg in the crock pot. In real life, follow the recipe above for tender pierogies and smoky sausage.

How do I make a pierogi casserole?

Layer browned kielbasa, sautéed onions, and frozen pierogies in a slow cooker, add butter and seasonings, then cook on LOW for 3 hours.

What meat pairs well with pierogi casserole?

Smoked kielbasa is traditional, but beef polish sausage, ham cubes, or shredded rotisserie chicken also match the buttery pierogies.

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Save this Crockpot Pierogi Casserole with Kielbasa for an easy comfort-food dinner.

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Tags:

Quick / slow cooker

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