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This Cheesy Chicken Broccoli Rice Casserole is a creamy, comforting family dinner made with tender chicken, fluffy rice, broccoli, cheddar cheese, and a rich homemade sauce. It's perfect for busy weeknights, holiday gatherings, meal prep, or using leftover rotisserie chicken.

Cheesy Chicken Broccoli Rice Casserole

This Cheesy Chicken Broccoli Rice Casserole is a creamy, comforting family dinner made with tender chicken, fluffy rice, broccoli, cheddar cheese, and a rich homemade sauce. It's perfect for busy weeknights, holiday gatherings, meal prep, or using leftover rotisserie chicken.
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Ingredients Equipment Method Notes

Ingredients
  

  • Casserole
  • 3 cups cooked white rice
  • 2 cups cooked chicken diced or shredded
  • 2 cups broccoli florets lightly steamed
  • 1 10.5 oz can cream of chicken soup
  • 1 cup sour cream
  • 1½ cups shredded cheddar cheese divided
  • ½ cup milk
  • ½ teaspoon garlic powder
  • ½ teaspoon onion powder
  • Salt and black pepper to taste
  • ½ cup diced red bell pepper optional

Equipment

  • 9×13-inch baking dish
  • Large mixing bowl
  • Medium mixing bowl
  • whisk
  • Wooden spoon or silicone spatula
  • measuring cups
  • Measuring spoons
  • Cheese grater (optional)
  • Oven mitts

Method
 

  1. Preheat the oven to 350°F (175°C) and lightly grease a 9x13-inch baking dish.
  2. In a large bowl, combine the cooked rice, chicken, broccoli, and bell pepper if using.
  3. In a separate bowl, whisk together the cream of chicken soup, sour cream, milk, garlic powder, onion powder, salt, and pepper.
  4. Stir 1 cup of shredded cheddar cheese into the sauce.
  5. Pour the sauce over the rice mixture and stir until evenly coated.
  6. Transfer the mixture to the prepared baking dish and spread evenly.
  7. Sprinkle the remaining cheddar cheese over the top.
  8. Bake uncovered for 30–35 minutes, until bubbly and golden around the edges.
  9. Let rest for 5 minutes before serving.

Notes

Day-old rice works best because it stays fluffy after baking.
Rotisserie chicken is a great time-saving option.
Lightly steam the broccoli before mixing it into the casserole.
Freeze before or after baking for an easy make-ahead meal.
Freshly shredded cheddar creates the creamiest sauce.