Best Crockpot Pierogi Casserole Kielbasa is the answer to your weeknight dinner prayers! Forget spending hours in the kitchen – this recipe delivers a hearty, comforting, and utterly delicious meal with minimal effort. Imagine tender pierogies, savory kielbasa, and a creamy, flavorful sauce, all cooked to perfection in your trusty crockpot. As a busy parent, I know the struggle of juggling work, family, and meal prep. That’s why I’m so excited to share this quick, healthy (ish!), and undeniably flavorful recipe with you. This will become a family favorite, guaranteed.
Why You Will Love This Recipe
My grandmother, Babcia Helen, always had a knack for making simple ingredients taste extraordinary. Her pierogies were legendary, and while I could never quite replicate her labor-intensive process, this Best Crockpot Pierogi Casserole Kielbasa is my ode to her. It captures the essence of her love-filled kitchen – comforting, hearty, and designed to bring people together. It’s the perfect dish for those chilly evenings when I need a warm hug in a bowl, and it always reminds me of her.
Ingredients
Main Ingredients:
- 1 (28 ounce) package frozen pierogies, thawed
- 1 pound kielbasa sausage, sliced
- 1 medium onion, chopped
- 1 (10.75 ounce) can condensed cream of mushroom soup
- 1/2 cup sour cream
- 1/2 cup milk
- 1 teaspoon dried onion powder
- 1/2 teaspoon garlic powder
- Salt and pepper to taste
- Optional: Shredded cheddar cheese for topping
For Extra Flavor:
- 2 tablespoons butter
- 1/4 cup chopped fresh parsley (for garnish)
Step-by-Step Instructions for Making the Recipe
- Prepare the Kielbasa and Onion: In a large skillet, melt butter over medium heat. Add sliced kielbasa and chopped onion. Cook until the kielbasa is lightly browned and the onion is softened, about 5-7 minutes. Drain any excess grease.
- Combine Ingredients: In a large bowl, gently mix the thawed pierogies, cooked kielbasa and onion mixture, cream of mushroom soup, sour cream, milk, onion powder, garlic powder, salt, and pepper. Be careful not to break the pierogies.
- Layer in the Crockpot: Grease the inside of your crockpot. Pour the pierogi mixture into the prepared crock pot, spreading it evenly.
- Cook: Cover the crockpot and cook on low for 3-4 hours, or on high for 1.5-2 hours, or until the pierogies are heated through and the sauce is bubbly.
- Optional Cheese Topping: During the last 30 minutes of cooking, sprinkle shredded cheddar cheese over the top, if desired.
- Serve: Garnish with fresh parsley before serving. Serve hot and enjoy Best Crockpot Pierogi Casserole Kielbasa!

Best Crockpot Pierogi Casserole Kielbasa
Ingredients
Equipment
Method
- In a large skillet, melt butter over medium heat. Add sliced kielbasa and chopped onion. Cook until the kielbasa is lightly browned and the onion is softened, about 5-7 minutes. Drain any excess grease.2 tablespoons butter, 1 pound kielbasa sausage, 1 medium onion
- In a large bowl, gently mix the thawed pierogies, cooked kielbasa and onion mixture, cream of mushroom soup, sour cream, milk, onion powder, garlic powder, salt, and pepper. Be careful not to break the pierogies.1 (28 ounce) package frozen pierogies, 1 pound kielbasa sausage, 1 medium onion, 1 (10.75 ounce) can condensed cream of mushroom soup, 1/2 cup sour cream, 1/2 cup milk, 1 teaspoon dried onion powder, 1/2 teaspoon garlic powder, Salt and pepper
- Grease the inside of your crockpot. Pour the pierogi mixture into the prepared crock pot, spreading it evenly.
- Cover the crockpot and cook on low for 3-4 hours, or on high for 1.5-2 hours, or until the pierogies are heated through and the sauce is bubbly.
- During the last 30 minutes of cooking, sprinkle shredded cheddar cheese over the top, if desired.Shredded cheddar cheese
- Garnish with fresh parsley before serving. Serve hot.1/4 cup chopped fresh parsley
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