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overhead view of chicken and broccoli pasta bake with a wooden spoon in it

Cheesy Chicken and Broccoli Pasta Bake

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.6 from 9 reviews
  • Author: Erica
  • Prep Time: 20 minutes
  • Cook Time: 40 minutes
  • Total Time: 1 hour
  • Yield: 6 servings 1x
  • Category: Casserole
  • Method: Baking
  • Cuisine: American

Description

This easy cheesy chicken and broccoli pasta bake is the ultimate comfort food! Barely any chopping, balanced, and loaded with flavor—perfect for weeknights and leftovers!


Ingredients

Scale
  • 8 oz elbow macaroni
  • 2 cups whole milk
  • 1 cup chicken broth
  • 3 cloves garlic, minced
  • 1 teaspoon kosher salt
  • 3/4 teaspoon black pepper
  • 1 teaspoon Italian seasoning
  • pinch red pepper flakes (optional)
  • 3 cups (14-16oz) cooked chicken, diced
  • 3 cups (10oz) broccoli florets
  • 6 oz white cheddar cheese, grated, about 2 1/2 cups total
  • parmesan cheese, for topping

Instructions

  1. Preheat the oven to 400 degrees Fahrenheit.
  2. In a 9×13 casserole dish, add the 8oz macaroni pasta, 2 cups whole milk, 1 cups chicken broth, 3 cloves minced garlic, 1 teaspoon kosher salt, ¾ teaspoon black pepper, 1 teaspoon Italian seasoning, and a pinch of red pepper flakes, if using.
  3. Give everything a good stir- this part is important so your macaroni doesn’t stick to the pan! Cover the pan with foil and bake for 20 minutes.
  4. Remove the macaroni and stir it. It’ll still seem like a lot of liquid, but when combined with the cheese and other ingredients it’ll turn into a thin sauce that coats everything perfectly. Add the 3 cups of chicken, 3 cups of broccoli florets, and all but about ½ cup of the cheese. Stir until everything is well combined, the broccoli is moistened and the cheese is mostly melted. Sprinkle the remaining cheese over the entire dish and return to the oven, uncovered, for 20 minutes.
  5. Serve hot with a sprinkle of parmesan cheese and crack of black pepper.

Notes

Update 1/31/25- based on reader feedback I’ve adjusted the broth from 1 ½ cups to 1 cup and the milk from 2 ½ cups to 2 cups. For best results, I suggest sticking with a macaroni pasta shape, as that is the type of pasta this recipe was developed with. If you add the broccoli, chicken and cheese and the pasta bake seems a little dry, add the additional ½ cup broth or milk.

I strongly recommend using seasoned, cooked chicken for best results. You can use rotisserie chicken but the flavor will not be the same. I have not tried this with raw chicken, but if you do use raw chicken reduce the liquid by at least 1 cup (ie 2 cups milk and 1 cup broth) and add the chicken in the first step with the pasta.

Store leftovers in an airtight container in the fridge for up to 4-5 days.

Refer to the above blog post for process photos, expert tips, and answers to frequently asked questions.

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Nutrition

  • Serving Size: 2 cups
  • Calories: 423
  • Sugar: 7.8 g
  • Sodium: 685.3 mg
  • Fat: 14.7 g
  • Carbohydrates: 39.1 g
  • Fiber: 2.6 g
  • Protein: 32.8 g
  • Cholesterol: 79.7 mg