Kielbasa Sausage Cheesy Potato Casserole

A rich aroma fills the kitchen as this Kielbasa Sausage Cheesy Potato Casserole bakes to bubbling perfection, creating an enticing comfort food experience. This delightful dish comes together in about an hour, blending savory smoked sausage, creamy potatoes, and gooey cheese into every bite. It’s a surefire way to satisfy your hunger and warm the heart with its cheesy goodness.

This recipe is perfect for families needing a hearty meal or anyone hosting a gathering. It’s also great for busy weeknights when you want a comforting dish without much fuss. You can prepare it ahead of time, even store it in the fridge overnight before baking.

Why You’ll Love This Recipe

• It’s a one-dish meal that simplifies cleanup.
• The combination of textures from creamy, cheesy potatoes and smoked sausage is irresistible.
• It’s perfect for feeding a crowd or enjoying leftovers throughout the week.
• You can customize the flavors by adding your favorite vegetables or cheeses.

What You’ll Need

Gather these ingredients to create the perfect 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
• 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

For the Topping

• 2 tablespoons butter, melted
• Optional: 1 cup crushed cornflakes or Ritz crackers for topping

Use cream of mushroom as a substitute if desired.

Substitutions & Swaps

• Substitute kielbasa with turkey sausage.
• Use Greek yogurt instead of sour cream.
• Replace cheddar with Monterey Jack cheese.
• Add bell peppers or broccoli for more veggies.

How to Make It

Follow these simple steps to create your casserole.

Preheat the oven

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

Mix the ingredients

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

Add hash browns

Stir in the thawed hash brown potatoes until evenly coated.

Fold in kielbasa

Gently fold in the sliced kielbasa sausage until combined.

Spread the mixture

Spread the mixture into the prepared baking dish, ensuring even distribution.

Top with cheese

Sprinkle the top with the remaining ½ cup of cheddar cheese for a cheesy finish.

Prepare crunchy topping (optional)

For a crunchy topping, mix melted butter with crushed cornflakes or crackers and scatter over the casserole.

Bake the casserole

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

Let it rest

Allow the casserole to rest for 5 minutes before serving.

How to Store It

Fridge: Store in an airtight container for up to 3 days.
Freezer: No; the texture of the potatoes changes.
Reheat: Microwave on medium for 3–5 minutes.

Tips for Best Results

• Thaw the hash browns completely for even cooking.
• Use freshly shredded cheese for best melting results.
• Feel free to adjust spices and toppings to suit your taste.
• Let the casserole sit for a few minutes to set before serving.

Serving Suggestions

• Serve with a mixed green salad for a complete meal.
• Pair with crusty bread for soaking up the cheesy goodness.
• Great for potlucks or family gatherings—everyone will love it.