Chicken Broccoli Alfredo Bake

Cheesy Chicken Broccoli Alfredo Bake bubbling golden, tender chicken and bright broccoli.  Save
Cheesy Chicken Broccoli Alfredo Bake bubbling golden, tender chicken and bright broccoli. | chenkudos.com

Cook pasta al dente and blanch broccoli briefly to retain color and bite. Gently simmer cream with garlic, then whisk in Parmesan until smooth and seasoned with salt, pepper and a pinch of nutmeg. Toss pasta, chicken and broccoli with the sauce, transfer to a baking dish, top with mozzarella and Parmesan, and bake until bubbly and golden. Let rest and garnish with parsley.

Some dishes just have a way of making kitchen cleanup worth every single pan and spoon, and this creamy Chicken Broccoli Alfredo Bake proves that point in spades. The first time I stirred together sizzling garlic with glossy cream, I wasn’t aiming for perfection—just a cozy, bubbling dinner after a string of rainy weekdays. The mingling aroma of Parmesan and butter was enough to lure everyone to the kitchen before the oven timer even buzzed. While it’s officially a casserole, it never feels fussy or formal.

I once brought a piping-hot pan of this to a backyard potluck, and my hands were still wrapped in oven mitts when the neighbors started asking for seconds. We ended up slicing it into squares right off the picnic table, laughing as the cheese stretched and the broccoli tumbled free. Even our friend Mike—who pokes at veggies—was scooping a second helping before the salad made it around the table. Memories like that stick even after the last plate is scraped clean.

Ingredients

  • Cooked chicken breast: Using leftover or rotisserie chicken makes prep a breeze, and dicing it small helps it soak up all the creamy sauce.
  • Fresh broccoli florets: A quick steam keeps them vibrant and just crisp enough; don’t be afraid to add a few extra stalks if you love that pop of green.
  • Penne or rotini pasta: These shapes capture the sauce beautifully—just remember to cook them slightly under so they finish in the oven.
  • Unsalted butter: Melted for the Alfredo, it lays the flavor base, and splatters less if sliced first.
  • Minced garlic: Sauté just until fragrant; rush it and it burns, go slow and the kitchen fills with garlicky promise.
  • Heavy cream: The key to rich, silky Alfredo—don’t swap with milk unless you’re ready for a thinner sauce.
  • Grated Parmesan cheese: Adds unbeatable depth and saltiness; always grate fresh if you can, pre-shredded clumps up more easily.
  • Salt: Essential for balance, but taste as you go since the cheeses bring their own savoriness.
  • Black pepper: Brings a little bite to cut through all the creamy comfort.
  • Pinch of ground nutmeg (optional): It’s subtle but rounds out the sauce quietly—more felt than tasted.
  • Shredded mozzarella cheese: Bubbles and browns in the oven, giving that iconic cheesy top we all fight for.
  • Extra grated Parmesan cheese: Sprinkled over the top, it bakes into golden, toasty patches.
  • Chopped fresh parsley (optional): Scattered after baking, it looks cheerful and adds a fresh lift right before serving.

Instructions

Preheat and prep:
Crank your oven to 375°F (190°C) and give your baking dish a swipe of butter or oil; you want an eager sizzle, not a sticky mess.
Cook the pasta:
Get a big pot of salty water rolling, drop in your pasta, and pull it just shy of al dente—it should still have a bit of bite.
Blanch the broccoli:
Steam or dunk the florets in boiling water just until they turn bright green and lose their raw edge, then drain so they don’t water down your bake.
Make the Alfredo sauce:
In a large saucepan, let the butter melt over medium, then toss in the garlic and stir until your kitchen smells inviting, about a minute.
Whisk and season:
Pour in the cream, bring to a gentle bubble, then whisk in Parmesan until the sauce thickens; season with salt, pepper, and a whisper of nutmeg if you like.
Combine everything:
In a roomy bowl, toss together the pasta, chicken, broccoli, and that creamy Alfredo, mixing until each piece gets coated.
Assemble the bake:
Scoop everything into your prepared dish, then rain down mozzarella and extra Parmesan in an even layer.
Bake to perfection:
Slide into the oven and bake until bubbly and dappled with golden cheese, about 20-25 minutes.
Rest and garnish:
Let the casserole cool for about 5 minutes, then add fresh parsley for a simple flourish before serving.
Oven-baked Chicken Broccoli Alfredo Bake served steaming with crusty garlic bread.  Save
Oven-baked Chicken Broccoli Alfredo Bake served steaming with crusty garlic bread. | chenkudos.com

It was on a cold evening, everyone clustered around the table in sweaters, when someone declared this the ‘official snow day dinner.’ That was the night my cousin showed me how mozzarella stretches can become a contest—towels draped over our laps, laughing until we forgot just how chilly it was outside.

Making This Your Own

I’ve tossed in red pepper flakes for a gentle kick, or swapped half the broccoli for cauliflower when the vegetable drawer looked scarce. Once, I even used whole wheat pasta on a whim, and it felt hearty enough to be a meal on its own. The best batches always happen when you bend the rules just a little to suit your mood.

Serving Suggestions You’ll Crave

A crisp green salad with lemony vinaigrette cools down the richness, and garlic bread for sopping up sauce is never a bad idea. If my family had any say, every bake would come with a squeeze of fresh lemon and a quick grind of black pepper at the table. It’s not fancy, but it is somehow always festive.

Avoiding Kitchen Surprises

The first time I rushed through the sauce, I ended up with tiny lumps—patience and steady whisking are truly your friends here. Resist the urge to oversalt, especially since the cheeses bring a surprise punch of flavor when baked.

  • If substituting chicken, go for rotisserie to save time and boost flavor.
  • Letting the bake rest before serving stops the sauce from running everywhere.
  • Don’t forget to taste the sauce before mixing—every batch of cheese behaves a little differently.
Creamy Chicken Broccoli Alfredo Bake spoonful showing cheesy sauce and tender florets. Save
Creamy Chicken Broccoli Alfredo Bake spoonful showing cheesy sauce and tender florets. | chenkudos.com

However you make it, this is one of those dishes that gathers people and stories around the table. The best part isn’t just the melty cheese, it’s the company you keep while you share it.

Recipe FAQs

Yes. Shredded rotisserie chicken works well and shortens prep time; fold it into the pasta and sauce just before baking so it stays moist.

Steam or blanch broccoli for 2–3 minutes until bright and slightly tender, then drain and pat dry. This keeps the florets firm after baking.

For a lighter sauce, use half-and-half and thicken with a tablespoon of flour cooked into the butter, or stir a cornstarch slurry into the warm liquid until it reaches the desired consistency.

Penne or rotini hold the sauce and mix-ins nicely, but rigatoni, ziti or medium shells are good alternatives for a hearty, even bite.

Assemble and cover to refrigerate up to 24 hours before baking. To freeze, assemble in a freezer-safe dish, cover tightly, and freeze; thaw overnight and bake a bit longer until heated through.

Reheat covered in a 350°F (175°C) oven until warm, or microwave individual portions covered to retain moisture. Add a splash of cream or milk if the sauce tightens.

Chicken Broccoli Alfredo Bake

Baked pasta with chicken, broccoli and rich Alfredo, topped with golden mozzarella and Parmesan.

Prep 20m
Cook 35m
Total 55m
Servings 6
Difficulty Easy

Ingredients

Protein & Vegetables

  • 2 cups cooked chicken breast, diced or shredded
  • 3 cups fresh broccoli florets, chopped

Pasta

  • 12 ounces penne or rotini pasta

Alfredo Sauce

  • 2 tablespoons unsalted butter
  • 3 cloves garlic, minced
  • 2 cups heavy cream
  • 1 cup grated Parmesan cheese
  • 1/2 teaspoon salt
  • 1/4 teaspoon ground black pepper
  • Pinch of ground nutmeg (optional)

Topping

  • 1 cup shredded mozzarella cheese
  • 1/4 cup grated Parmesan cheese

Garnish

  • 2 tablespoons chopped fresh parsley (optional)

Instructions

1
Prepare Oven and Dish: Preheat oven to 375°F. Grease a 9x13-inch baking dish and set aside.
2
Cook Pasta: Bring a large pot of salted water to a boil. Add pasta and cook until just al dente, about 1-2 minutes less than package directions. Drain thoroughly and set aside.
3
Blanch Broccoli: Steam or blanch broccoli florets for 2-3 minutes until bright green and slightly tender. Drain and set aside.
4
Prepare Alfredo Sauce: Melt butter in a large saucepan over medium heat. Add minced garlic and sauté for 1 minute until fragrant. Pour in heavy cream and bring to a gentle simmer. Whisk in 1 cup grated Parmesan cheese until smooth and thickened. Season with salt, black pepper, and optional pinch of nutmeg.
5
Combine Main Components: In a large mixing bowl, combine cooked pasta, diced chicken, broccoli, and prepared Alfredo sauce. Toss to coat evenly.
6
Assemble Casserole: Transfer the mixture to the prepared baking dish. Sprinkle evenly with shredded mozzarella cheese and 1/4 cup grated Parmesan cheese.
7
Bake: Bake uncovered for 20-25 minutes until the surface is bubbly and golden brown.
8
Rest and Serve: Allow casserole to stand for 5 minutes before serving. Garnish with chopped parsley if desired.
Additional Information

Equipment Needed

  • Large saucepan
  • Large pot
  • 9x13-inch baking dish
  • Mixing bowls
  • Whisk
  • Knife
  • Cutting board

Nutrition (Per Serving)

Calories 590
Protein 33g
Carbs 49g
Fat 29g

Allergy Information

  • Contains dairy (butter, cream, cheese), wheat (pasta), and may contain egg (pasta depending on brand). Contains poultry.
Lina Chen

Sharing simple, nourishing recipes and practical cooking tips for food lovers and fellow home cooks.