Welcome to a delightful journey through flavors with our Polish Pasta Casserole! This hearty dish combines the comforting elements of pasta with robust Polish kielbasa and a creamy, cheesy sauce that melts beautifully in the oven. Perfect for those chilly evenings or when you’re in the mood for something truly satisfying, this casserole brings a taste of Poland right into your kitchen. Dive into layers of deliciousness that promise to please your palate and warm your heart. Let’s get cooking and transform simple ingredients into a meal that’s anything but ordinary!

This Polish Casserole is brimming with rich, savory flavors and hearty ingredients. It features tender kielbasa chunks and a lusciously creamy sauce intertwined with pasta and a blend of superb seasonings. Each forkful delivers comforting, deep flavors, making it a straightforward yet satisfying dish. It’s perfect for any occasion and easily adaptable to suit your taste. Truly, it’s a complete meal in one dish! Why prepare dinner for six or eight when a cozy serving for two suffices? Enjoy the ideal portion of this creamy, cheesy, pasta and kielbasa-filled Polish Casserole for your dinner without any excess!

Why You’ll Love This Polish Pasta Casserole
Here are three irresistible reasons why you’ll love this Polish Pasta Casserole:
- Comfort Food at Its Best: This casserole combines the heartiness of pasta with rich, creamy textures and robust flavors, embodying the very essence of comfort food. It’s the perfect dish to cozy up with on a chilly evening.
- Versatility: Whether you’re catering to meat-lovers or vegetarians, this dish is incredibly adaptable. You can easily switch out or add ingredients based on what’s in your fridge or your guests’ preferences.
- Leftover Magic: Not only is this casserole delicious freshly baked, but it also makes for fantastic leftovers. The flavors meld and deepen overnight, making it even more flavorful the next day. It’s a great make-ahead option for busy weeks.

Ingredients for Polish Pasta Casserole

Storage Options
The Polish Pasta Casserole is excellent for advanced meal preparation:
- Refrigeration: Allow the casserole to cool fully, then cover it with foil or place it in an airtight container. It will remain fresh for 3-4 days.
- Freezing: To extend its shelf life, you can freeze the casserole whole or in individual portions. Thaw it in the refrigerator overnight and reheat in the oven or microwave when ready to serve.
Variations and Substitutions
- Cheese Variations: Consider using different types of cheese, such as smoky Gouda or sharp cheddar, to tailor the flavor to your preference.
- Incorporate Vegetables: Boost the dish’s nutritional content by adding vegetables like bell peppers, spinach, or mushrooms.
- Vegan Options: For a vegan version, replace traditional ingredients with plant-based sausages, vegan cheese, and a non-dairy sour cream substitute.
- Add Heat: Enhance the dish with a touch of heat by sprinkling in some paprika or red pepper flakes for a spicy kick.
This Polish Pasta Casserole is more than just a dish; it’s a hearty, flavorful experience that combines love, tradition, and creativity. Perfect for those craving comfort food with a taste of Eastern Europe, this recipe promises to delight and satisfy.

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Ingredients
- 4 cups uncooked short pasta penne or fusilli recommended
- 2 tablespoons unsalted butter
- 2 tablespoons all-purpose flour
- 2 1/2 cups milk
- 1 cup sour cream
- 2 tablespoons Dijon mustard
- 1 teaspoon garlic powder
- 1 jar 16 oz sauerkraut, thoroughly rinsed and well-drained
- 1 1/2 pounds smoked Polish sausage or kielbasa cut into 1/2-inch slices
- 3 cups grated Swiss cheese divided
- 4 green onions finely chopped
- Kosher salt and freshly ground black pepper to taste
Instructions
- Oven and Baking Dish Preparation:
- Preheat the oven to 350°F (177°C).
- Generously grease a 9×13-inch baking dish with butter or nonstick spray.
- Cooking the Pasta:
- Bring a large pot of salted water to a boil.
- Cook the pasta until al dente according to the package instructions.
- Drain and transfer to a large mixing bowl.
- Sauce Preparation:
- In a large saucepan, melt butter over medium heat.
- Whisk in flour and cook for one minute, stirring constantly.
- Gradually whisk in milk, continuing to stir until the sauce thickens.
- Remove from heat; stir in garlic powder, Dijon mustard, and sour cream. Season with salt and pepper.
- Casserole Assembly:
- To the pasta, add the sauce, rinsed sauerkraut, sliced sausage, chopped green onions, and two cups of the Swiss cheese. Mix well.
- Transfer to the prepared baking dish, spread evenly, and top with the remaining Swiss cheese.
- Baking:
- Bake in the preheated oven for 30-40 minutes, or until golden brown and bubbling.
- Let stand for five minutes before serving to allow the flavors to meld and the cheese to set slightly.
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