Kielbasa Sausage Cheesy Potato Casserole

Kielbasa Sausage Cheesy Potato Casserole

Recipe by Mila Gerard

A creamy cheesy casserole made with smoky kielbasa sausage, potatoes, sour cream, cheddar cheese, and a crispy optional topping.

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Ingredients

• Casserole

• 1 lb (450 g) smoked kielbasa sausage, sliced into 1/2-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 soup

• 1 cup sour cream

• 2 cups shredded cheddar cheese, divided

• 1/2 cup chopped green onions or white onion sautéed

• 1/2 teaspoon garlic powder

• 1/2 teaspoon black pepper

• 1/2 teaspoon paprika

• 2 tablespoons butter, melted

• Optional Topping

• 1 cup crushed cornflakes or Ritz crackers

Instructions

• Preheat oven to 350°F (175°C).
• Grease a 9×13-inch baking dish.
• Brown sliced kielbasa in a skillet for 3–4 minutes.
• Mix soup, sour cream, 1 1/2 cups cheddar cheese, onions, garlic powder, black pepper, and paprika.
• Add hash brown potatoes and mix until coated.
• Fold in kielbasa sausage.
• Spread mixture into baking dish.
• Top with remaining cheddar cheese.
• Add optional buttered cracker topping.
• Bake for 40–45 minutes until hot and bubbly.
• Serve warm.

Notes

• Freshly shredded cheese melts well in this casserole.
• Kielbasa can be replaced with other smoked sausages.
• The casserole can be assembled ahead and baked later.
• Nutritional Information Disclaimer:
  Nutrition information is an estimate and may vary depending on the ingredients and quantities used.

This Kielbasa Sausage Cheesy Potato Casserole is a comforting baked dish made with smoky kielbasa sausage, creamy potatoes, sour cream, and plenty of melted cheddar cheese. The combination of savory sausage and creamy cheesy potatoes creates a hearty meal that works well for family dinners, potlucks, and easy weeknight gatherings.

With simple ingredients and a straightforward preparation method, this casserole delivers classic comfort food flavors in one baking dish. The crispy topping option adds extra texture, while the creamy potato mixture keeps the dish rich and satisfying.

Recipe at a Glance

Prep Time: 15 minutes
Cook Time: 45 minutes
Total Time: 1 hour
Servings: 6 servings
Course: Main Dish
Cuisine: American-inspired
Calories: Not provided

Why You’ll Love This Recipe

This cheesy potato casserole combines familiar ingredients into an easy comfort meal.

Smoked kielbasa adds a rich savory flavor throughout the casserole.

Creamy potatoes and melted cheddar create a satisfying texture.

The recipe uses simple pantry-friendly ingredients.

It can be prepared ahead and baked when needed.

The casserole works well for family dinners, gatherings, and potluck meals.

Ingredients You’ll Need

For the Casserole

1 lb (450 g) smoked kielbasa sausage, sliced into 1/2-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 soup

1 cup sour cream

2 cups shredded cheddar cheese, divided

1/2 cup chopped green onions or white onion sautéed

1/2 teaspoon garlic powder

1/2 teaspoon black pepper

1/2 teaspoon paprika

2 tablespoons butter, melted

Optional Topping

1 cup crushed cornflakes or Ritz crackers

Easy Substitutions

Kielbasa Sausage

Smoked kielbasa provides the signature smoky flavor. Other smoked sausages can be used, but the taste may vary.

Cream Soup

Cream of mushroom soup can replace cream of chicken soup for a different flavor option.

Sour Cream

Greek yogurt can be used instead of sour cream for a slightly different texture and flavor.

Cheese

Cheddar provides the classic cheesy flavor, but mozzarella or Monterey Jack can be combined with cheddar for extra creaminess.

How to Make Kielbasa Sausage Cheesy Potato Casserole

Step 1: Prepare the Baking Dish

Preheat the oven to 350°F (175°C).

Grease a 9×13-inch baking dish and set aside.

Step 2: Brown the Kielbasa

Slice the kielbasa into half-moon pieces.

Lightly brown the sausage in a skillet for 3–4 minutes.

Browning helps develop extra flavor before adding the sausage to the casserole.

Step 3: Prepare the Creamy Mixture

In a large mixing bowl, combine cream of chicken soup, sour cream, 1 1/2 cups shredded cheddar cheese, green onions, garlic powder, black pepper, and paprika.

Mix until smooth and well combined.

Step 4: Add Potatoes and Sausage

Add the hash brown potatoes to the creamy mixture.

Stir until the potatoes are evenly coated.

Fold in the sliced kielbasa sausage.

Step 5: Assemble the Casserole

Spread the mixture evenly into the prepared baking dish.

Sprinkle the remaining 1/2 cup cheddar cheese over the top.

If using a topping, combine melted butter with crushed cornflakes or Ritz crackers and sprinkle over the casserole.

Step 6: Bake Until Golden

Bake for 40–45 minutes until the casserole is hot, bubbly, and the top is golden.

Serve warm.

Tips for the Best Cheesy Potato Casserole

Slice kielbasa into even pieces so every serving has a balanced amount of sausage.

Freshly shredded cheese often melts more smoothly than pre-shredded cheese.

Make sure the potato mixture is evenly coated before baking for consistent flavor.

Allow the casserole to rest briefly after baking so the layers set slightly.

For extra texture, add the crunchy topping before baking.

Common Mistakes to Avoid

Not Mixing the Potatoes Evenly

Uneven mixing can leave some portions with more sauce or cheese than others.

Skipping Sausage Browning

While optional, browning the kielbasa helps develop a deeper savory flavor.

Adding Too Much Topping

A thick topping layer can overpower the creamy casserole texture.

Overbaking the Casserole

Bake until heated through and golden to avoid drying out the creamy potato mixture.

Variations

Spicy Kielbasa Potato Casserole

Add diced jalapeños or use spicy kielbasa for extra heat.

Vegetable Loaded Casserole

Add bell peppers, broccoli, or spinach for additional vegetables.

Breakfast Kielbasa Casserole

Replace kielbasa with breakfast sausage and add scrambled eggs.

Cheesy Ranch Potato Casserole

Add ranch seasoning for a creamy ranch-inspired flavor.

BBQ Kielbasa Casserole

Add BBQ sauce and smoked cheese for a smoky barbecue variation.

What to Serve With Kielbasa Sausage Cheesy Potato Casserole

This casserole pairs well with:

Green salad

Roasted vegetables

Steamed broccoli

Fresh bread

Pickled vegetables

A fresh vegetable side helps balance the richness of the cheese and sausage.

How to Store Kielbasa Sausage Cheesy Potato Casserole

Store leftovers in an airtight container in the refrigerator.

Follow standard food storage practices for cooked casserole dishes.

How to Freeze Kielbasa Sausage Cheesy Potato Casserole

Freezing instructions were not provided with the original recipe information.

If freezing, allow the casserole to cool completely before transferring it to a freezer-safe container.

How to Reheat Kielbasa Sausage Cheesy Potato Casserole

Reheating instructions were not provided.

Warm portions gently in the oven or microwave until heated through.

Make Ahead

This casserole can be assembled ahead of time and baked when ready.

Prepare the casserole, cover, and refrigerate until you are ready to bake.

Frequently Asked Questions

Can I use fresh potatoes instead of frozen hash browns?

Yes. Fresh potatoes can be used, but preparation and cooking time may vary.

Do I need to thaw frozen hash browns before making this casserole?

The recipe information notes that frozen hash browns do not need to be thawed before mixing.

Can I use another type of sausage?

Yes. Other smoked sausage varieties can be used, although kielbasa provides the classic smoky flavor.

Can I make this casserole ahead of time?

Yes. Assemble the casserole ahead and bake when ready.

What cheese works best for this casserole?

Cheddar provides the classic flavor, but mozzarella or Monterey Jack can be added for extra creaminess.