Kielbasa Sausage Cheesy Potato Casserole

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If comfort food had a face, it would be this golden-baked, bubbly Kielbasa Sausage Cheesy Potato Casserole. With its layers of creamy potatoes, rich cheddar cheese, and smoky kielbasa slices, this dish brings together everything we love about indulgent, hearty casseroles. It’s quick to prepare and irresistible once it hits the table.

Perfect for chilly evenings or potluck dinners, this casserole is also a brilliant way to use up extra sausage or potatoes. With its crisp, cheesy top and soft, flavorful center, this one-dish meal hits all the right notes: creamy, savory, and just the right amount of smokiness.

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What Kind of Potatoes Work Best in a Casserole Like This?

Waxy potatoes like Yukon Golds or red potatoes are perfect for this casserole. They hold their shape while baking and give the dish a creamy texture without turning mushy. If you prefer a softer bite, russet potatoes are also a great option, though they tend to break down more.

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Ingredients for the Kielbasa Sausage Cheesy Potato Casserole

• Kielbasa Sausage: The star of the dish. Its smoky, garlicky flavor adds depth and heartiness.
• Potatoes: Use Yukon Golds for their creamy texture and ability to hold shape.
• Shredded Cheddar Cheese: Essential for that gooey, golden top and bold cheesy flavor.
• Heavy Cream: Provides a silky base that coats the potatoes beautifully.
• Butter: Adds richness and helps develop that slightly crispy edge.
• Onion: A layer of caramelized onions adds subtle sweetness and balance.
• Garlic Powder: Brings an extra layer of flavor without overpowering.
• Salt & Pepper: Classic seasoning to enhance all the ingredients.
• Fresh Parsley (Optional): For garnish, a sprinkle of green brightens everything up.

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How To Make the Kielbasa Sausage Cheesy Potato Casserole

Step 1: Preheat and Prep

Preheat your oven to 375°F (190°C). Grease a large baking dish with butter or non-stick spray. Set it aside.

Step 2: Cook the Potatoes

Peel and dice the potatoes into bite-sized chunks. Boil them in salted water for about 8-10 minutes until just tender but not fully cooked. Drain and set aside.

Step 3: Sauté the Onion and Kielbasa

In a skillet, melt a tablespoon of butter over medium heat. Add chopped onion and sauté until soft and golden. Toss in the sliced kielbasa and cook until slightly browned on the edges.

Step 4: Layer the Ingredients

In your prepared dish, layer half of the potatoes, then half the onion-kielbasa mixture, and sprinkle with half of the shredded cheese. Repeat the layers.

Step 5: Make the Cream Mixture

In a small bowl, whisk together heavy cream, garlic powder, salt, and pepper. Pour this evenly over the casserole layers.

Step 6: Bake to Golden Perfection

Cover with foil and bake for 25 minutes. Remove the foil and bake for another 15-20 minutes, or until bubbly and the top is golden brown.

Step 7: Garnish and Serve

Let the casserole cool slightly. Sprinkle chopped parsley on top and serve warm.

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Serving and Storing Your Kielbasa Sausage Cheesy Potato Casserole

This casserole is best served hot right out of the oven. It pairs beautifully with a fresh side salad or steamed green beans. For brunch or a hearty lunch, it’s filling enough to stand on its own.

Leftovers can be stored in an airtight container in the refrigerator for up to 4 days. To reheat, warm in the oven at 350°F until heated through, or microwave individual portions for 2-3 minutes.

To freeze, let the casserole cool completely, then wrap tightly and freeze for up to 2 months. Thaw in the fridge overnight before reheating.

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Frequently Asked Questions

Can I use frozen potatoes?

Yes, frozen diced potatoes or hash browns can be used in a pinch. Just make sure they’re thawed and patted dry before layering.

Can I substitute the kielbasa?

Absolutely. Smoked sausage, turkey kielbasa, or even chorizo can be used based on your preference.

How do I prevent the casserole from becoming watery?

Ensure your cooked potatoes are drained well and avoid adding too much cream. Also, bake uncovered toward the end to allow moisture to evaporate.

Can I prep this ahead of time?

Yes! Assemble the casserole up to 24 hours in advance and store it covered in the fridge. Just pop it in the oven when you’re ready to bake.

What other cheeses work well here?

Monterey Jack, Gruyère, or even a blend of mozzarella and cheddar will work beautifully for different flavor notes.

Is this dish gluten-free?

Yes, as long as your kielbasa and cheese are certified gluten-free. Always double-check packaging.

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Want More Casserole Ideas?

If you love this cheesy kielbasa casserole, you’ll enjoy digging into these satisfying dishes too:

• Chicken Cordon Bleu Casserole for a creamy, meaty classic.
• Mexican Cornbread Casserole when you’re craving something spicy and hearty.
• Scalloped Corn Casserole as a sweet and savory side dish.
• Million Dollar Ravioli Casserole for pasta lovers who want easy comfort.
• Cheesy Pizza Tater Tot Casserole if you’re looking for a fun family-friendly bake.

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📌 Save this recipe to your Pinterest dinner board so you can come back to it any time.

And let me know in the comments how yours turned out. Did you switch up the cheese? Try adding mushrooms or bell peppers?

I love seeing how everyone personalizes their casseroles. Ask questions or share tips—let’s make every bite better together.

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