Baked Chicken Broccoli Alfredo

Baked Chicken Broccoli Alfredo is the ultimate comfort food casserole that brings together creamy Alfredo sauce, tender chicken, and perfectly cooked broccoli all baked to golden perfection. This is one of those cozy dishes that works for everything from weeknight dinners to potluck parties.

Plate full of bake chicken alfredo.

We love this recipe because it’s a warm, hearty classic that satisfies everyone at the table. The cheesy sauce and rotini pasta hold up beautifully in the oven, and the combo of broccoli and chicken makes it a complete meal. It also stores well, which means you can enjoy leftovers without compromising on taste.

If you’re a fan of creamy pasta dishes, you’ll definitely want to try our Chicken Broccoli Pasta, Creamy Mushroom Pasta, or this Cream Cheese Pasta. They’re always a hit in our kitchen.

Spoonful of baked chicken alfredo above a baking dish.

Why You’ll Love This Recipe

  • Easy to Make Ahead: Prep everything, pop it in the fridge, and bake when you’re ready.
  • Family-Friendly: Even picky eaters love this cheesy, creamy pasta bake.
  • Balanced Meal: With protein, veggies, and carbs all in one dish.
  • Great for Leftovers: It reheats beautifully and stays flavorful.

Ingredients

We’ve made this list to help you save time on your next trip to the grocery store. You can find the full amounts needed in the printable recipe card at the bottom of the post.

Bowls of ingredients labelled with text on a counter.

This dish starts with a creamy homemade Alfredo sauce made with milk, half and half, and two types of cheese. Garlic, onion powder, and white pepper add depth, while rotini pasta soaks up all that goodness. Toss in cooked chicken and broccoli, and you’ve got a meal that checks all the boxes.

Variations

  • Use a different pasta: Penne, shells, or fettuccine work just as well.
  • Swap the protein: Try cooked turkey or even shrimp for a fun twist.
  • Make it vegetarian: Skip the chicken and double the broccoli or add mushrooms.
  • Add some heat: A pinch of red pepper flakes gives it a spicy kick.

Instructions

This is a quick overview of the steps needed to make this recipe. You can find the full instructions in the recipe card at the bottom of this post.

Roux being whisked in a skillet.
  1. Make a roux with butter and flour, add garlic, then slowly whisk in milk and half and half.
Cream sauce is being made in a large skillet.
  1. Add seasonings and cheeses, reserving some for topping.
Broccoli and chicken being added to sauce.
  1. Stir in the chicken and broccoli. Combine the sauce with pasta in the baking dish.
Cheese on top of a baking dish ready for the oven.
  1. Top with remaining cheese and bake for 20-25 minutes until golden.

Expert Tips

  • Grate your own cheese for the creamiest melt.
  • Don’t overcook the broccoli before baking—it will cook more in the oven.
  • Stir constantly while making the sauce to avoid lumps.
  • Let the bake sit for a few minutes after removing from the oven for easier serving.

Frequently Asked Questions

Do you have questions about this recipe? Here are the answers to the most commonly asked questions.

Can I freeze Baked Chicken Broccoli Alfredo?

Yes! Assemble the dish, wrap it tightly, and freeze before baking. Thaw overnight in the fridge and bake as directed.

What can I use instead of half and half?

You can substitute with more milk, though the sauce may be slightly less creamy.

How long will leftovers last?

Stored in an airtight container in the fridge, leftovers will keep for up to 3 days.

Baking dish full of baked chicken alfredo.

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📖Recipe

Want to make this recipe? Print the recipe card below, or pin this recipe, so you can find it later.

Baked Chicken Broccoli Alfredo

Creamy, cheesy, and comforting Baked Chicken Broccoli Alfredo is an easy weeknight dinner that’s sure to please the whole family.
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Course: Main Course
Cuisine: American
Prep Time: 25 minutes
Cook Time: 25 minutes
Total Time: 50 minutes
Servings: 6 Servings
Calories: 629kcal

Equipment

  • large pot
  • large skillet
  • Baking dish

Ingredients

  • 1 pound pasta rotini shown
  • 4 Tablespoons butter
  • 4 Tablespoons flour
  • 3 garlic cloves finely minced
  • 2 cups milk
  • 1 ½ cup half and half
  • ½ teaspoon salt
  • ½ teaspoon onion powder
  • ¼ teaspoon white pepper
  • 1 cup mozzarella cheese
  • ¾ cup parmesan cheese
  • 2 cups cooked chicken
  • 2 cups cooked broccoli

Instructions

  • Cook the pasta according to the directions on the package, drain when pasta is al dente and set it aside. Spray a 9×13 pan with cooking spray and set aside.
  • Preheat the oven to 350 degrees.
  • In a large saute pan with high sides, melt the butter over medium/low heat. Add in the flour and stir to let the flour cook for about a minute. Add in the minced garlic and cook for 30 seconds. Don’t let it burn. Whisk in the milk and the half n half and continue to stir while the sauce thickens. Add in the salt, onion powder and white pepper.
  • Stir in the cheeses, reserving a handful of each type of cheese to sprinkle on top.
  • Add in the chicken and broccoli and stir well to combine with the sauce.
  • Place the pasta in the 9×13 pan and pour the sauce over the pasta and stir well to mix.
  • Sprinkle the top with the extra cheese and place in the oven to bake for 20-25 minutes, until the top of the cheese starts to turn golden.
  • Remove and serve hot.

Notes

Store any leftovers in an airtight container in the refrigerator for up to 3 days.

Disclaimer

Any nutritional data I provide is an approximation and actual dietary information can vary based on ingredients and proportion sizes.

Nutrition

Serving: 1Serving | Calories: 629kcal | Carbohydrates: 71g | Protein: 36g | Fat: 22g | Saturated Fat: 12g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 6g | Cholesterol: 90mg | Sodium: 639mg | Potassium: 622mg | Fiber: 3g | Sugar: 10g | Vitamin A: 788IU | Vitamin C: 27mg | Calcium: 458mg | Iron: 2mg

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