Kielbasa Sausage Cheesy Potato Casserole

The rich aroma of melting cheese and savory kielbasa fills the kitchen as this dish bakes to perfection. Kielbasa Sausage Cheesy Potato Casserole is a hearty, comforting favorite that takes just under an hour to prepare and bake. This recipe works beautifully because it combines creamy, cheesy flavors with the satisfying texture of hash browns and sausage.

This dish is perfect for family gatherings, potlucks, or cozy weeknight dinners. You can prepare it ahead of time and store it in the refrigerator until you’re ready to bake.

Why You’ll Love This Recipe

• The creamy texture balances perfectly with the crispy topping.
• It can be made in advance, saving you time on busy days.
• The combination of flavors is truly comforting and satisfying.
• It’s a versatile dish, great for any occasion.

What You’ll Need

Gather the following ingredients for this delicious casserole:

For the Casserole

• 1 lb 450 g smoked kielbasa sausage, sliced into ½-inch pieces
• 1 bag (32 oz / 900 g) frozen diced hash brown potatoes, thawed
• 1 can (10.5 oz / 295 g) cream of chicken soup (or cream of mushroom)
• 1 cup sour cream
• 2 cups shredded cheddar cheese (divided)
• ½ cup chopped green onions (or white onion sautéed)
• ½ teaspoon garlic powder
• ½ teaspoon black pepper
• ½ teaspoon paprika
• 2 tablespoons butter, melted

For the Topping (Optional)

• 1 cup crushed cornflakes or Ritz crackers

Use cream of mushroom for a vegetarian option.

Substitutions & Swaps

• Kielbasa can be swapped for turkey sausage.
• Use Greek yogurt instead of sour cream.
• Any cheese works well if cheddar isn’t available.
• Cornflakes can be replaced with breadcrumbs.

How to Make It

Follow these simple steps to create a delightful casserole.

1. Preheat

Preheat oven to 350°F (175°C) and grease a 9×13-inch baking dish.

2. Mix Ingredients

Combine cream of chicken soup, sour cream, 1 ½ cups cheddar cheese, green onions, garlic powder, black pepper, and paprika in a large mixing bowl. Mix until smooth.

3. Add Potatoes

Stir in the thawed hash brown potatoes until they are evenly coated in the mixture.

4. Fold in Sausage

Fold in the sliced kielbasa sausage until well distributed throughout the potato mixture.

5. Spread Mixture

Spread the mixture evenly into the prepared baking dish.

6. Add Cheese

Sprinkle the top with the remaining ½ cup of cheddar cheese.

7. Prepare Topping

Mix melted butter with the crushed cornflakes or Ritz crackers, if using, and scatter it over the casserole.

8. Bake

Bake uncovered for 40–45 minutes, until the casserole is bubbly and the topping is golden brown.

9. Rest and Serve

Let the casserole rest for 5 minutes before serving.

How to Store It

Fridge: Store in an airtight container for up to 3 days.
Freezer: Yes, it can be frozen for up to 2 months.
Reheat: Microwave on high for 2-3 minutes or bake at 350°F until heated through.

Tips for Best Results

• Ensure your hash browns are fully thawed to avoid excess moisture.
• Let the casserole cool before freezing for best texture.
• Grease the baking dish well to prevent sticking.
• Adjust seasonings and toppings to your liking for a custom flavor.

Serving Suggestions

• Pair with a simple side salad for a balanced meal.
• Serve alongside crusty bread for a hearty lunch.
• Perfect for game day or casual get-togethers.