Comfort food doesn’t get easier than this: tender potato-and-cheese pierogies, smoky kielbasa sausage, and a rich, velvety cheese sauce simmered low and slow. This Easy Crockpot Pierogi Casserole With Kielbasa – Creamy Slow Cooker Dinner Recipe delivers hearty, stick-to-your-ribs flavor with minimal prep.
Here at inasrecipes.com, we specialize in dump-and-go slow cooker recipe ideas that turn everyday freezer staples into satisfying weeknight family feasts!
Slow Cooker Pot Roast with Vegetables
Table of Contents
Food Science: Starch Hydration, Emulsification & Gentle Thermal Processing
Creating a creamy slow-cooker casserole with frozen dumplings requires balancing moisture absorption and fat stability:
- Starch Hydration Without Soggy Breakdown: Frozen pierogies are pre-cooked and flash-frozen. Cooking them in a slow cooker at low heat (190°F–200°F / 88°C–93°C) allows the thick dough shell to gradually absorb warm liquid and rehydrate without rupturing or leaching starch into a gummy sludge.
- Lactic Fat & Broth Emulsification: Combining cream cheese (high fat/water emulsion) with warm chicken broth and shredded cheddar forms a stable cream matrix. The proteins in the cream cheese act as natural emulsifiers, preventing the rendered oils from the kielbasa from separating into a greasy layer.
- Maillard Flavor Extraction from Cured Meat: Fully cooked kielbasa contains cured sodium nitrite and smoked fats. As it cooks slowly in the casserole liquid, its water-soluble savory compounds release into the surrounding cream sauce, seasoning the pierogies from the outside in.

Recipe Masterclass: Easy Crockpot Pierogi Casserole With Kielbasa
Prep time: 10 min | Slow Cooker time: 3–4 hrs (LOW) | Yield: 6 Servings
Ingredients
For the Casserole Base:
- 2 boxes (16 oz each / ~32 oz total) frozen potato & cheddar pierogies (do not thaw)
- 14 oz (400g) smoked kielbasa or Polish sausage, sliced into 1/2-inch coins
- 1 cup low-sodium chicken broth or vegetable broth
- 1 block (8 oz / 225g) cream cheese, softened and cubed
- 1.5 cups sharp cheddar cheese, shredded (divided)
- 1/2 tsp garlic powder
- 1/2 tsp onion powder
- 1/4 tsp freshly cracked black pepper
For Garnish:
- 1/2 cup crispy bacon bits
- 3 tbsp fresh chives or green onions, finely chopped
- Dollop of sour cream (optional)

Instructions
1.Layer the Casserole Base:3 mins.
Lightly spray the inside of a 5-to-6-quart crockpot with nonstick cooking spray. Arrange the frozen pierogies and sliced kielbasa evenly across the bottom of the slow cooker insert.
2.Add Broth, Seasoning & Cream Cheese:3 mins.
Pour the chicken broth evenly over the pierogies and sausage. Sprinkle with garlic powder, onion powder, and black pepper. Distribute the cubed cream cheese evenly over the top layer.
3.Slow Cook to Creamy Perfection:3 to 4 hrs.
Cover and cook on LOW for 3 to 4 hours (or HIGH for 2 hours) until the pierogies are tender and the cream cheese is melted. Gently stir the casserole to combine the melted cream cheese and broth into a smooth, thick sauce.
4.Melt Cheese & Garnish:10 mins.
Sprinkle 1.5 cups of shredded cheddar cheese over the top. Cover for 5 to 10 minutes until the cheese is completely melted and bubbly. Garnish with chopped chives and crispy bacon bits before serving this comforting recipe!

Frequently Asked Questions (FAQ)
Can I make a crockpot pierogi casserole with kielbasa without cream cheese?
Yes! If you prefer not to use cream cheese, you can substitute it with 1 cup of sour cream, 1 can (10.5 oz) of condensed cream of chicken or cream of mushroom soup, or 1 cup of heavy whipping cream mixed with 1 tablespoon of cornstarch. If using sour cream, stir it in during the last 30 minutes of cooking to prevent it from curdling under high heat.
How long do frozen perogies take in the crockpot?
Frozen pierogies take 3 to 4 hours on LOW or 1.5 to 2 hours on HIGH in a slow cooker. Because frozen pierogies are already pre-cooked, you only need to heat them until they are soft, heated through, and have absorbed the flavors of the sauce. Avoid cooking them past 4 hours on Low, or the dough may become overly soft.
How do I make an easy crockpot pierogi casserole with kielbasa?
Making an easy crockpot pierogi casserole with kielbasa requires just 4 simple steps:
- Place 32 oz of frozen pierogies and 14 oz of sliced kielbasa into a greased slow cooker.
- Pour in 1 cup of chicken broth, 8 oz of cubed cream cheese, and seasonings.
- Cook on LOW for 3 to 4 hours until pierogies are tender, then stir to form a smooth cream sauce.
- Top with shredded cheddar cheese, let melt, and garnish with green onions and bacon.
What side to have with pierogies and kielbasa?
Since pierogies and kielbasa make a rich, carbohydrate-and-protein-heavy main dish, the best side dishes offer bright, acidic, or vegetable-forward contrast:
- Tangy Salads: Warm German potato salad, cucumber dill salad, or a crisp garden salad with vinaigrette.
- Traditional Cabbage Dishesh: Braised red cabbage, warm sauerkraut, or classic steamed cabbage.
- Roasted Green Vegetables: Garlic roasted green beans, charred Brussels sprouts, or roasted broccoli.
- Crusty Bread: Rye bread or garlic dinner rolls to mop up the creamy cheese sauce.

Easy Crockpot Pierogi Casserole With Kielbasa – Creamy Slow Cooker Dinner Recipe
- Total Time: 3 hours 20 minutes
- Yield: 6 servings 1x
Description
This Easy Crockpot Pierogi Casserole With Kielbasa combines tender potato and cheddar pierogies, smoky kielbasa, creamy cheese, and savory seasonings for a comforting slow cooker dinner that’s easy to prepare and perfect for busy nights.
Ingredients
- 2 boxes (16 oz each / 32 oz total) frozen potato & cheddar pierogies, do not thaw
- 14 oz (400g) smoked kielbasa or Polish sausage, sliced into 1/2-inch coins
- 1 cup low-sodium chicken broth or vegetable broth
- 1 block (8 oz / 225g) cream cheese, softened and cubed
- 1.5 cups sharp cheddar cheese, shredded and divided
- 1/2 tsp garlic powder
- 1/2 tsp onion powder
- 1/4 tsp freshly cracked black pepper
- 1/2 cup crispy bacon bits
- 3 tbsp fresh chives or green onions, finely chopped
- Dollop of sour cream, optional
Instructions
- Lightly spray the inside of a 5-to-6-quart crockpot with nonstick cooking spray.
- Arrange the frozen pierogies and sliced kielbasa evenly across the bottom of the slow cooker insert.
- Pour the chicken broth evenly over the pierogies and sausage.
- Sprinkle with garlic powder, onion powder, and black pepper.
- Distribute the cubed cream cheese evenly over the top.
- Cover and cook on LOW for 3 to 4 hours, or HIGH for 2 hours, until the pierogies are tender and the cream cheese is melted.
- Gently stir the casserole until the melted cream cheese and broth combine into a smooth, thick sauce.
- Sprinkle the shredded cheddar cheese over the top.
- Cover and cook for 5 to 10 minutes until the cheese is completely melted and bubbly.
- Garnish with chopped chives and crispy bacon bits before serving, with a dollop of sour cream if desired.
Notes
Keep the pierogies frozen when adding them to the crockpot. For the creamiest casserole, gently stir after slow cooking to fully incorporate the melted cream cheese and broth before adding the cheddar topping.
- Prep Time: 10 minutes
- Cook Time: 3 hours 10 minutes
- Category: Main Course
- Method: Slow Cooker
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 620
- Sugar: 4g
- Sodium: 1150mg
- Fat: 38g
- Saturated Fat: 18g
- Unsaturated Fat: 15g
- Trans Fat: 0.5g
- Carbohydrates: 47g
- Fiber: 4g
- Protein: 24g
- Cholesterol: 105mg
