Easy Chicken Alfredo Casserole Recipe

If you’ve ever been on the hunt for a comforting, fuss-free dinner that feels a little fancy but comes together in no time, then you’re going to love what I’m sharing today. This Easy Chicken Alfredo Casserole Recipe is truly a game changer. I absolutely love how creamy and cheesy it turns out, and the best part? You use uncooked pasta right in the casserole, so it practically cooks itself in the oven. Trust me, once you try this, it’s going to be a dinner repeat in your house.

this …

Ingredients You’ll Need

These ingredients come together like old friends—simple, dependable, and super flavorful. When shopping, I like to grab a good-quality jar of Alfredo sauce because it really makes this dish shine without extra fuss.

• Uncooked rotini pasta: The spiral shape traps sauce beautifully, making every bite creamy and luscious.
• Alfredo sauce: A jarred sauce works perfectly here, but if you’re feeling adventurous, homemade is always a treat.
• Chicken stock: Adds depth to the sauce and helps cook the pasta right in the casserole.
• Cooked chicken: Rotisserie chicken is my go-to for quick prep; it’s flavorful and already shredded or diced.
• Minced garlic: Fresh garlic amps up the flavor — don’t skip it!
• Shredded mozzarella cheese or Italian cheese blend: Melts wonderfully to create that irresistible bubbly topping.
• Optional garnish (Parmesan cheese and fresh herbs): Fresh herbs like parsley or basil add a pretty pop of color and a hint of freshness.

Variations

I love making this recipe my own depending on what’s in the fridge or special occasions. It’s so forgiving that you can swap ingredients around without a hitch.

• Swap the pasta: I’ve used penne or farfalle when I didn’t have rotini, and it still tastes amazing.
• Add veggies: I often toss in some steamed broccoli or spinach for a nutritious upgrade that my family totally doesn’t mind.
• Use different cheese: For a sharper flavor, try adding a bit of shredded Parmesan or Asiago into the mix before baking.
• Make it spicy: A sprinkle of crushed red pepper flakes stirred in gives it a nice subtle kick.

How to Make Easy Chicken Alfredo Casserole Recipe

Step 1: Combine Everything and Bake

Start by preheating your oven to 425°F. In a large baking dish, simply toss your uncooked rotini pasta with the jar of Alfredo sauce, chicken stock, cooked chicken, and minced garlic. Give everything a good stir so the pasta is evenly coated and submerged in liquid. Cover the dish tightly with foil – this helps steam the pasta and keeps it nice and moist. Pop it in the oven for 30 minutes. I learned the hard way that skipping the foil leads to dry edges, so definitely cover it!

Step 2: Check Pasta, Then Add Cheese

After 30 minutes, carefully remove the foil and stir. The pasta should be nearly al dente — still a little firm but cooked enough to keep cooking later without getting mushy. If it’s still hard, don’t worry; just pop it back in covered for another 10 minutes. When it’s close to perfect, sprinkle the shredded mozzarella or Italian cheese blend evenly over the top.

Step 3: Finish Baking Uncovered

Return the casserole to the oven uncovered for 5 to 10 minutes, or until the cheese is melted and bubbly. The cheese melts into a golden layer that adds that signature Alfredo richness. Be sure to keep an eye so it doesn’t burn – gooey, melted cheese is your goal, not crispy burnt bits (unless you really enjoy those, then no judgment!).

Step 4: Garnish and Serve

Right before serving, sprinkle some freshly grated Parmesan cheese and chopped herbs like parsley or basil for a fresh burst of flavor and a beautiful finish. This also gives it a slightly brighter taste that balances the creamy sauce.

How to Serve Easy Chicken Alfredo Casserole Recipe

Garnishes

I usually keep it simple with freshly grated Parmesan and a handful of chopped fresh parsley or basil for that pop of green and fresh aroma. Sometimes I even add a tiny drizzle of good olive oil right before serving to make it extra indulgent.

Side Dishes

This casserole pairs beautifully with a crisp green salad or steamed veggies to cut through the richness. I also love serving it alongside garlic bread – it’s the kind of combo that makes everyone at the table happy and slightly obsessed.

Creative Ways to Present

For special occasions, I’ve baked this in individual ramekins instead of one big dish. It looks elegant and makes portioning a breeze. Another idea is to sprinkle panko breadcrumbs mixed with Parmesan over the cheese before baking for a crunchy topping that’s out of this world.

Make Ahead and Storage

Storing Leftovers

I keep leftovers airtight in the fridge for up to 3 days. When I reheat, it’s best to add a splash of chicken stock or milk to loosen up the sauce if it has thickened too much. This keeps everything creamy and tender without drying out.

Freezing

I’ve frozen this casserole several times with good results. Just skip baking, then wrap well with foil and plastic wrap. When ready to eat, bake covered at 375°F until bubbly and cooked through, adding cheese at the end. Freezing saves you a dinner emergency!

Reheating

Reheat leftovers in the oven at 350°F for about 15–20 minutes, covered, to keep moisture locked in. Alternatively, you can microwave individual servings with a small drizzle of liquid added to keep that creamy texture intact.

FAQs

Final Thoughts

This Easy Chicken Alfredo Casserole Recipe has become one of those kitchen lifesavers I turn to when I want something cozy, cheesy, and satisfying without fuss. It’s perfect for busy nights but elegant enough to serve guests, and honestly, my whole family goes crazy for it every time. Give it a try — I’m betting it’ll become one of your go-to recipes too. Once you’ve mastered this, don’t be afraid to start tweaking it your way; that’s half the fun. Happy cooking!

Print