Oven Baked Pierogi & Kielbasa Casserole 

Oven Baked Pierogi & Kielbasa Casserole

This Oven Baked Pierogi Kielbasa Casserole is the ultimate easy comfort food dinner, packed with smoky sausage, creamy sauce, and cheesy potato pierogies. Perfect for busy weeknights, potlucks, or cozy family meals, this quick casserole recipe with frozen pierogies is always a crowd favorite—rich, hearty, and incredibly satisfying.

Why You’ll Love This Pierogi Kielbasa Casserole

• Easy 5-ingredient recipe – simple pantry and freezer staples
• Quick prep – minimal effort, maximum flavor
• Family-friendly comfort food – loved by kids and adults
• Cheesy & creamy texture – rich and indulgent
• Perfect for potlucks & gatherings – always disappears fast
• Uses frozen pierogies – no complicated prep needed

Ingredients (Simple & Budget-Friendly)

• 2 (16 oz) boxes frozen potato & cheese pierogies
• 1 lb smoked kielbasa or Polish sausage, sliced
• 2 cups shredded sharp cheddar cheese (divided)
• 2 cups heavy cream (or half-and-half for lighter option)
• 1 (10.5 oz) can condensed cream of mushroom soup

How to Make Pierogi Kielbasa Casserole

1. Preheat oven to 375°F (190°C) and grease a 9×13 baking dish.
2. Arrange frozen pierogies in a single layer in the dish.
3. Add sliced kielbasa evenly over the top.
4. In a bowl, mix cream + cream of mushroom soup until smooth.
5. Pour mixture evenly over pierogies and sausage.
6. Sprinkle 1½ cups cheddar cheese on top.
7. Cover with foil and bake for 25 minutes.
8. Remove foil, add remaining cheese, and bake uncovered for 15–20 minutes until golden and bubbly.
9. Rest for 5–10 minutes before serving.

Tips & Variations

• Add sour cream for extra creaminess
• Mix in sauerkraut for a traditional Polish flavor twist
• Sprinkle paprika or chili flakes for mild heat
• Use cream of chicken or celery soup instead of mushroom
• Add onions for deeper flavor
• Works great as a make-ahead casserole recipe

Serving Ideas

Serve this cheesy pierogi casserole with kielbasa with:

• Fresh green salad
• Steamed green beans or peas
• Roasted carrots
• Sour cream & pickles on the side