Kielbasa Sausage Cheesy Potato Casserole

A warm, savory aroma envelops your kitchen as this Kielbasa Sausage Cheesy Potato Casserole bakes to golden perfection. In just under an hour, you can create a creamy, cheesy dish packed with smoky kielbasa and fluffy potatoes. The combination of flavors and textures in this casserole is truly comforting, making it a crowd-pleaser for family dinners or potlucks.

This recipe is perfect for anyone looking for a hearty, satisfying meal. It’s great for busy weeknights or cozy gatherings with friends. Plus, you can easily prepare it ahead of time and save leftovers for reheating the next day.

Why You’ll Love This Recipe

• The creamy texture pairs beautifully with the crispy topping.
• It comes together in just a few easy steps.
• The smoky kielbasa adds depth of flavor to the dish.
• It’s a one-dish meal that satisfies everyone at the table.

What You’ll Need

Gather these ingredients to get started on your 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 Topping (Optional)

• 1 cup crushed cornflakes or Ritz crackers

Use cream of mushroom for a vegetarian option.

Substitutions & Swaps

• Replace kielbasa with chicken sausage.
• Use Greek yogurt instead of sour cream.
• Swap cheddar for Monterey Jack cheese.
• Use fresh onions instead of green onions.

How to Make It

Creating this casserole is simple and rewarding.

1. Preheat

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

2. Mix

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 Hash Browns

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

4. Fold in Kielbasa

Fold in the sliced kielbasa sausage gently until incorporated.

5. Spread

Spread the mixture evenly into the prepared baking dish.

6. Sprinkle Cheese

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

7. Add Topping

Mix melted butter with crushed cornflakes or Ritz crackers and scatter over the casserole for added crunch.

8. Bake

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

9. Rest

Let rest for 5 minutes before serving to enhance flavors.

How to Store It

Fridge: store in an airtight container for up to 3 days.
Freezer: yes, freeze for up to 2 months.
Reheat: microwave on high for 2-3 minutes or until heated through.

Tips for Best Results

• Ensure hash browns are thoroughly thawed for even cooking.
• Use a combination of cheeses for a richer flavor profile.
• For extra spice, add diced jalapeños or a dash of hot sauce to the mix.
• Let the casserole rest before serving to allow the flavors to meld.

Serving Suggestions

• Serve alongside a fresh green salad for a balanced meal.
• Pair with crusty bread to soak up the cheesy goodness.
• Perfect for game day or family gatherings.