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Easy Chicken Broccoli Casserole Recipe

Chicken Broccoli Casserole is a comforting, one-dish meal packed with tender chicken, vibrant broccoli, and a creamy, cheesy sauce. Topped with a crunchy breadcrumb layer, this casserole is easy to make, hearty, and perfect for a weeknight dinner or family gathering. It’s a delicious and nutritious dish that combines protein and vegetables in every bite.

Ingredients

Scale

For the Casserole:

  • 2 cups cooked chicken, shredded or cubed (about 2 medium chicken breasts)
  • 4 cups broccoli florets, steamed or blanched
  • 1 can (10.5 oz) cream of chicken soup (or use homemade)
  • 1/2 cup sour cream
  • 1 cup shredded cheddar cheese
  • 1/2 cup grated Parmesan cheese
  • 1/4 cup milk
  • 1/2 tsp garlic powder
  • 1/4 tsp onion powder
  • Salt and pepper, to taste

For the Topping:

  • 1 cup breadcrumbs (preferably Panko)
  • 2 tbsp unsalted butter, melted
  • 1/4 cup shredded cheddar cheese (optional, for extra cheesy topping)

Instructions

  • Prepare the Oven and Casserole Dish:
    • Preheat your oven to 350°F (175°C).
    • Grease a 9×13-inch casserole dish or coat it with non-stick cooking spray.
  • Prepare the Chicken and Broccoli:
    • If you haven’t already, cook and shred or cube the chicken. Steam or blanch the broccoli florets until they are tender but still bright green (about 3–4 minutes). Drain any excess water from the broccoli to avoid sogginess in the casserole.
  • Make the Casserole Sauce:
    • In a large mixing bowl, combine the cream of chicken soup, sour cream, milk, garlic powder, onion powder, and both cheddar and Parmesan cheeses. Stir until the mixture is smooth and well combined. Season with salt and pepper to taste.
  • Combine Chicken and Broccoli:
    • Add the cooked chicken and broccoli to the sauce mixture. Stir to evenly coat the chicken and broccoli with the creamy sauce.
  • Assemble the Casserole:
    • Pour the chicken and broccoli mixture into the prepared casserole dish. Spread it out evenly.
  • Make the Topping:
    • In a small bowl, combine the breadcrumbs, melted butter, and additional 1/4 cup of cheddar cheese (if using). Stir until the breadcrumbs are evenly coated with the butter.
  • Top the Casserole and Bake:
    • Sprinkle the breadcrumb mixture evenly over the top of the casserole.
    • Bake for 25–30 minutes or until the casserole is bubbling around the edges and the top is golden brown and crispy.
  • Serve:
    • Let the casserole cool for 5 minutes before serving. This dish is delicious on its own or served with a side of rice or a green salad.

Notes

  • For a lower-fat version, use a reduced-fat cream of chicken soup, sour cream, and cheese.
  • You can substitute the chicken with turkey or add cooked mushrooms for extra flavor.
  • This casserole can be made ahead of time. Assemble it in the dish, cover it, and refrigerate for up to 24 hours before baking.
  • For a gluten-free version, use gluten-free breadcrumbs or omit the topping.

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