Million Dollar Chicken Alfredo Bake

Million Dollar Chicken Alfredo Bake

When the foil comes off, the Alfredo is bubbling around the edges and the mozzarella has just started to turn golden. That’s the moment this Million Dollar Chicken Alfredo Bake…

By Willow • • Reading time: 8 min
Tip: save now, cook later.

When the foil comes off, the Alfredo is bubbling around the edges and the mozzarella has just started to turn golden. That’s the moment this Million Dollar Chicken Alfredo Bake starts looking like the creamy, cheesy casserole you want to scoop into. The pasta goes into the oven before it’s fully tender, so it has room to finish cooking without turning soft and swollen.

I like that this bake has two distinct creamy parts: Alfredo-coated penne and chicken underneath, with a tangy cream cheese and cottage cheese layer spread over the top. The cheeses melt together as the casserole bakes, but the layers still give each serving a little contrast. Let it rest before scooping; those few minutes help the sauce settle instead of running across the plate.

Million Dollar Chicken Alfredo Bake creamy cheesy pasta
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Kitchen Note

Let the cream cheese soften before mixing the creamy layer. It blends much more easily with the cottage cheese and sour cream, and you can break up any remaining large pieces as you stir.

Save this Million Dollar Chicken Alfredo Bake for a cozy dinner with creamy layers, tender penne, and a bubbling cheese topping.

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Why the Creamy Layer Belongs on Top, Not in the Alfredo

It’s easy to assume the cream cheese mixture should be stirred through the pasta, but keeping it separate gives this casserole its particular texture. The Alfredo sauce coats the penne and chicken, while the creamy mixture forms a softer layer over them. When you scoop through both, you get the savory pasta with a tangy, rich topping in the same bite.

That separation also keeps the dish from becoming one uniform, heavy sauce. The mozzarella and Parmesan sit over the creamy layer and melt into a browned top, while the pasta underneath stays coated in Alfredo. Spread the layer across the dish rather than dropping it in one thick mound; an even covering gives the topping room to bake consistently from edge to edge.

What Each Cheese and Pasta Brings to This Alfredo Bake

Million Dollar Chicken Alfredo Bake bubbling golden casserole
  • Penne — Its short, sturdy shape holds onto Alfredo and is easy to portion from a casserole. Use the package directions to judge the initial boil; different brands can vary slightly.
  • Cooked shredded chicken — Shredded chicken spreads through the pasta more evenly than large chunks, so each scoop gets some. Use chicken that’s already cooked and tender; dry pieces stay noticeable in the creamy sauce.
  • Jarred Alfredo sauce — A jar makes the sauce base quick and dependable. Choose one you enjoy on its own, since its garlic and cheese flavor carries through the whole bake.
  • Cream cheese, cottage cheese, and sour cream — Together they make the top layer creamy with a little tang. Softened cream cheese is easiest to blend; cottage cheese gives the layer a different texture from a smooth cream cheese mixture.
  • Mozzarella and Parmesan — Mozzarella melts into a stretchy blanket, while Parmesan adds a sharper, salty finish. Freshly grated Parmesan melts readily, though packaged grated Parmesan works for this topping too.

How to Layer the Pasta So It Finishes Tender in the Oven

Stop the Penne Just Before Al Dente

Bring the water to a boil, add the kosher salt and penne, and cook until the pasta is 2 minutes shy of al dente according to the package directions. It should still have a firm bite in the center because it will continue cooking in the casserole. Before draining, reserve 1/4 cup of the pasta water. That’s easy to forget, so set it aside before the pot goes to the sink.

Stir the Creamy Layer Until Even

In a medium bowl, stir together the softened cream cheese, cottage cheese, sour cream, garlic powder, and black pepper. Work through any large pieces of cream cheese with the spoon as you mix. The mixture doesn’t need to look perfectly smooth, but there shouldn’t be large, firm chunks left. Set it aside while you combine the pasta and chicken.

Coat the Chicken and Pasta in Alfredo

Stir the reserved pasta water into the Alfredo sauce in a large bowl. Fold in the drained penne and cooked shredded chicken until the sauce coats everything, then spread it evenly in the greased 9×13-inch baking dish. Spoon the creamy mixture over the top and spread it into an even layer. Finish with the mozzarella and Parmesan so the cheeses cover the surface.

Bake Covered, Then Brown the Cheese

Cover the dish with foil and bake at 375°F for 20 minutes. Remove the foil and bake for another 10 to 15 minutes, until the sauce bubbles around the edges and the cheese is melted and lightly browned. If the top needs a little more color, use the visual cues rather than expecting every oven to brown it at the same pace. Let the casserole rest for 10 minutes before serving.

Two Easy Changes for Different Dinner Needs

Make It Gluten-Free

Use 12 ounces of gluten-free penne in place of regular penne and cook it according to its package directions, stopping 2 minutes before al dente. Gluten-free pasta can soften more quickly in a baked dish, so keep an eye on the texture during the initial boil.

Use Shredded Turkey Instead

Swap the cooked shredded chicken for the same amount of cooked shredded turkey. It keeps the casserole’s creamy texture and works especially well when you have plain cooked turkey to use up; strongly seasoned turkey will change the flavor of the Alfredo.

Storage and Reheating

  • Refrigerator: Store leftovers covered for 3 to 4 days. The pasta will soften as it sits.
  • Freezer: Freeze cooled portions in airtight containers for up to 2 months. The sauce may separate a little and the pasta will be softer after thawing; thaw overnight in the refrigerator.
  • Reheating: Reheat a portion covered in the microwave, or warm the casserole covered in a 350°F oven until it reaches 165°F in the center. Leaving it uncovered while reheating can dry the edges before the middle is hot.

Questions That Come Up With This Chicken Alfredo Bake

Can I use rotisserie chicken in this casserole?+

Yes. Remove the meat from a cooked rotisserie chicken, shred it, and measure out 3 cups. Since rotisserie chicken is often seasoned, taste a small piece before adding extra salt anywhere else.

Can I put raw chicken in the bake instead of cooked chicken?+

No. The casserole’s baking time is meant to heat the cooked chicken and finish the pasta, not cook raw chicken safely and evenly. Cook and shred the chicken before adding it.

Can I use a different pasta shape instead of penne?+

Yes. A sturdy short pasta such as rotini can stand in for penne. Use the same amount and follow that pasta’s package directions, stopping 2 minutes shy of al dente before draining.

How do I prep this ahead without the pasta getting soft?+

For the best texture, mix the creamy layer and shred the cooked chicken ahead, then refrigerate them separately. Boil and drain the pasta shortly before assembling so it doesn’t sit in the sauce and continue absorbing liquid.

Million Dollar Chicken Alfredo Bake

Million dollar chicken alfredo bake layers penne and shredded chicken with a creamy cheese mixture beneath melted mozzarella and Parmesan. Baked until bubbling and lightly browned, it makes a hearty casserole with a rich, creamy center.
Prep Time 20 minutes
Cook Time 45 minutes
Resting time 10 minutes
Total Time 1 hour 15 minutes
Servings: 8 servings
Course: Dinner
Cuisine: American
Calories: 610

Ingredients
  

For the pasta and chicken
  • 1 tbsp kosher salt
  • 4 qt water
  • 12 oz penne pasta
  • 3 cups cooked shredded chicken
  • 1 jar (15 oz) Alfredo sauce
For the creamy layer
  • 1 block (8 oz) cream cheese softened
  • 1 cup cottage cheese
  • 0.5 cup sour cream
  • 0.5 tsp garlic powder
  • 0.25 tsp black pepper
For the topping
  • 1 cup mozzarella cheese shredded
  • 0.25 cup Parmesan cheese grated

Equipment

  • 1 9x13-inch baking dish

Method
 

Prepare the oven and pasta
  1. Preheat the oven to 375°F.
  2. Grease a 9x13-inch baking dish.
  3. Bring the water to a boil in a large pot.
  4. Add the salt and pasta, and cook until 2 minutes shy of al dente according to the package directions.
  5. Reserve 1/4 cup pasta cooking water.
  6. Drain the pasta.
Make the creamy layer
  1. Stir the cream cheese, cottage cheese, sour cream, garlic powder, and black pepper together in a medium bowl until combined, breaking up any large pieces of cream cheese.
Assemble and bake
  1. Stir the Alfredo sauce with the reserved pasta water.
  2. Fold in the drained pasta and chicken.
  3. Spread the mixture evenly in the prepared baking dish.
  4. Spoon the creamy layer over the pasta mixture and spread it evenly.
  5. Sprinkle with the mozzarella and Parmesan.
  6. Cover the dish with foil and bake for 20 minutes.
  7. Uncover and bake for 10 to 15 minutes, until the sauce bubbles around the edges and the cheese is melted and lightly browned.
  8. Let the casserole rest for 10 minutes before serving.

Notes

For the creamiest layer, break up any large pieces of cream cheese as you stir. Refrigerate leftovers for 3 to 4 days; this casserole can be frozen. For a gluten-free option, use gluten-free penne.
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Willow

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