Kielbasa Sausage Cheesy Potato Casserole

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If comfort had a flavor, it would be this Kielbasa Sausage Cheesy Potato Casserole. Loaded with tender potatoes, crispy pan-seared kielbasa, and smothered in a velvety cheddar cheese sauce, this casserole checks every box for a warm, hearty, and ultra-satisfying meal. It’s a dish that delivers bold flavor without the need for fancy ingredients, making it a true weeknight champion.

The blend of smoky sausage and creamy, cheesy potatoes creates a harmony that feels indulgent and familiar. Whether you’re feeding a hungry crowd or prepping for a week’s worth of delicious leftovers, this casserole is both practical and crave-worthy.

What Kind of Potatoes Work Best?

For a creamy yet structured texture, Yukon Gold or Russet potatoes are the top choices. Yukon Golds hold their shape beautifully while offering a buttery bite. If you prefer a softer, melt-in-your-mouth consistency, Russets break down just enough during baking to soak up all the cheesy goodness.

Ingredients for the Kielbasa Sausage Cheesy Potato Casserole

Kielbasa Sausage: The smoky, garlicky flavor of kielbasa adds a deep umami punch and meaty satisfaction to every bite.

Potatoes: They form the hearty base of the casserole. Choose starchy ones like Russets or buttery Yukon Golds for the perfect texture.

Cheddar Cheese: Sharp cheddar brings a rich, tangy depth that pairs beautifully with the sausage.

Butter & Flour: These create a simple roux to thicken the cheese sauce.

Milk or Cream: Provides the creamy backbone of the sauce.

Garlic & Onion Powder: Essential for infusing flavor into the base without chopping a thing.

Black Pepper & Salt: A pinch of each enhances all the flavors.

Fresh Parsley (optional): Adds a touch of color and freshness on top.

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How To Make the Kielbasa Sausage Cheesy Potato Casserole

Step 1: Sauté the Kielbasa

Slice the kielbasa sausage into ½-inch rounds and sear in a skillet over medium-high heat until browned. This step boosts the flavor and gives a nice texture contrast.

Step 2: Prep and Parboil the Potatoes

Peel and cube the potatoes into bite-size pieces. Boil them for about 8 minutes until just fork-tender, then drain and set aside.

Step 3: Make the Cheese Sauce

In a saucepan, melt butter and whisk in the flour to form a roux. Gradually add milk or cream, whisking constantly until smooth and thickened. Stir in the shredded cheddar cheese until fully melted. Season with garlic powder, onion powder, salt, and black pepper.

Step 4: Assemble the Casserole

In a greased 9×13-inch baking dish, layer the potatoes and kielbasa slices. Pour the cheese sauce over the top and gently mix to coat everything evenly.

Step 5: Bake to Perfection

Bake uncovered at 375°F (190°C) for 25-30 minutes, or until bubbly and golden on top. Garnish with chopped parsley before serving.

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Serving and Storing This Hearty Casserole

This casserole is best served hot right out of the oven. The gooey cheese and smoky sausage combo is irresistible when freshly baked. If you have leftovers, store them in an airtight container in the fridge for up to 4 days. It reheats well in the microwave or oven without losing flavor.

For freezing, let the casserole cool completely, then wrap tightly in plastic wrap and foil. Freeze for up to 2 months. Thaw overnight in the fridge before reheating.

What to Serve With Kielbasa Sausage Cheesy Potato Casserole?

Crisp Green Salad

The freshness and crunch of a simple garden salad balance the richness of the casserole.

Roasted Brussels Sprouts

Caramelized and slightly bitter sprouts complement the creamy dish.

Garlic Bread

A crusty slice of garlic bread is perfect for soaking up leftover cheese sauce.

Applesauce

Surprisingly, the sweet and tart contrast of applesauce pairs well with kielbasa.

Steamed Green Beans

Adds a pop of green and a light veggie side to the plate.

Pickled Veggies

Cuts through the creaminess and adds tang.

Spicy Mustard or Horseradish

Serve on the side for a sharp, spicy kick.

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Want More Casserole Ideas with Comfort Built In?

If this cheesy kielbasa casserole warmed your soul, check out these delicious favorites from our kitchen:

• Chicken Cordon Bleu Casserole for a creamy, crunchy twist on the classic.
• Cheesy Spinach Stuffed Shells if you love baked pasta dishes packed with flavor.
• One-Pot Smoked Sausage Pasta for another sausage-and-cheese comfort combo.
• Dad’s Creamy Cheesy Au Gratin Potatoes as a side or main dish.
• Creamy Ground Beef Alfredo Pasta for a meaty, velvety pasta fix.

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And if you make this Kielbasa Sausage Cheesy Potato Casserole, let me know how it turned out! Did you add bell peppers or maybe a dash of paprika? Drop your twist in the comments.

Explore more cozy, flavor-packed casseroles and hearty meals on ChefAlchemy’s Pinterest and keep your comfort food cravings satisfied.

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