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Chicken Broccoli Cheddar Casserole


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  • Author: Emma Parker
  • Total Time: 1 hour 10 minutes
  • Yield: 6 servings 1x
  • Diet: High Protein

Description

Creamy Chicken Broccoli Cheddar Casserole is a cozy, cheesy family dinner made with tender chicken, fresh broccoli, fluffy rice, and a rich cheddar sauce. Easy to prepare and perfect for busy weeknights, meal prep, or comforting family meals!


Ingredients

Scale

For the Chicken

  • pounds boneless, skinless chicken breasts – Provides lean protein and works beautifully in a creamy casserole.
  • 1 tablespoon olive oil – Helps brown the chicken and adds a little richness.
  • 1 teaspoon garlic powder – Adds savory garlic flavor.
  • ½ teaspoon onion powder – Provides additional savory depth.
  • ½ teaspoon paprika – Adds color and mild warmth.
  • ½ teaspoon salt – Enhances the overall flavor.
  • ¼ teaspoon black pepper – Adds mild peppery flavor.

For the Broccoli and Rice

  • 4 cups broccoli florets – Adds color, freshness, and a tender texture.
  • 3 cups cooked white or brown rice – Creates a hearty base and helps absorb the creamy sauce.

For the Creamy Sauce

  • 2 tablespoons butter – Creates a rich base for the sauce.
  • 3 cloves garlic, minced – Adds fresh aromatic flavor.
  • 2 tablespoons all-purpose flour – Helps thicken the creamy sauce.
  • 2 cups milk – Creates the smooth, creamy base.
  • ½ cup chicken broth – Adds savory flavor while keeping the sauce balanced.
  • 1 teaspoon Dijon mustard – Adds subtle tang and enhances the cheddar flavor.
  • ½ teaspoon Italian seasoning – Adds a light herb flavor.
  • ½ teaspoon salt – Seasons the sauce.
  • ¼ teaspoon black pepper – Adds additional flavor.

For the Cheese

  • 2 cups freshly shredded sharp cheddar cheese – Gives the casserole a rich, savory, cheesy flavor.
  • ½ cup shredded mozzarella cheese – Helps create a stretchy, melty topping.

Optional Topping

  • ½ cup panko breadcrumbs – Adds a light, crispy texture to the cheesy topping.
  • 1 tablespoon melted butter – Helps the breadcrumbs become golden and crisp.
  • Fresh parsley
  • Extra shredded cheddar

Instructions

  1. Preheat the oven to 375°F (190°C) and lightly grease a 9×13-inch baking dish.
  2. Cut the chicken into bite-sized pieces and season with garlic powder, onion powder, paprika, salt, and pepper.
  3. Cook the chicken in olive oil for 5–7 minutes until golden and cooked through to 165°F (74°C).
  4. Briefly blanch the broccoli for 2–3 minutes, then drain thoroughly.
  5. Melt butter in a saucepan and sauté minced garlic for 30–60 seconds.
  6. Whisk in flour and cook for about 1 minute.
  7. Gradually whisk in milk and chicken broth until smooth.
  8. Add Dijon mustard, Italian seasoning, salt, and black pepper.
  9. Simmer until the sauce thickens, then reduce the heat to low.
  10. Stir in 1½ cups cheddar and the mozzarella until melted and smooth.
  11. Combine cooked chicken, broccoli, and cooked rice in a large bowl.
  12. Pour the creamy cheese sauce over the mixture and stir gently.
  13. Transfer the mixture to the prepared baking dish and spread evenly.
  14. Sprinkle with remaining cheddar and optional buttered panko breadcrumbs.
  15. Bake uncovered for 20–25 minutes until hot, bubbly, and golden.
  16. Broil for 1–2 minutes if you want a more deeply browned topping.
  17. Rest for 5–10 minutes before serving.
  18. Garnish with fresh parsley and serve warm.

Notes

  • Drain the broccoli well before adding it to prevent a watery casserole.
  • Freshly shredded cheddar melts more smoothly than pre-shredded cheese.
  • Let the casserole rest for 5–10 minutes before serving for the best texture.
  • Prep Time: 25
  • Cook Time: 45
  • Category: Dinner
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 servings
  • Calories: 520 calories