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A serving of golden-brown baked chicken and rice casserole on a white plate.

Chicken Broccoli Rice Casserole

A comforting meal with tender chicken, broccoli, and rice baked in a creamy, homemade cheddar cheese sauce.
Prep Time 25 minutes
Cook Time 25 minutes
Total Time 50 minutes
Course Main Course
Cuisine American
Servings 8

Ingredients
  

  • 1 1/2 pounds boneless skinless chicken breasts, cut into 1-inch pieces, 680g
  • 1 teaspoon salt divided
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon paprika
  • 2 teaspoons olive oil
  • 1 1/2 cups long-grain white rice 275g
  • 4 cups chicken stock or broth divided, 960ml
  • 3 cups small broccoli florets about 10 oz or 285g
  • 2 tablespoons unsalted butter 28g
  • 2 tablespoons all-purpose flour 16g
  • 1 cup whole milk 240ml
  • 2 1/2 cups shredded sharp cheddar cheese divided, 280g
  • 1/2 cup grated Parmesan cheese 50g

Instructions
 

  • Preheat your oven to 375°F (190°C). Lightly grease a 9x13-inch baking dish.
  • In a medium saucepan, combine the rice, 3 cups (720ml) of the chicken stock, and 1/2 teaspoon of salt. Bring to a boil, then reduce heat to low, cover, and simmer for 10 minutes. The rice will be partially cooked. Remove from heat and set aside, covered.
  • While the rice cooks, toss the chicken pieces in a bowl with the remaining 1/2 teaspoon salt, garlic powder, and paprika. Heat the olive oil in a large skillet over medium-high heat. Add the chicken and cook for 4-5 minutes, stirring occasionally, until lightly browned. The chicken does not need to be fully cooked through. Transfer the chicken to the prepared baking dish along with the raw broccoli florets.
  • Reduce the heat to medium and add the butter to the same skillet. Once melted, whisk in the flour to form a thick paste and cook for 1 minute, stirring constantly.
  • Slowly whisk in the milk until smooth, then whisk in the remaining 1 cup (240ml) of chicken stock. Bring the sauce to a simmer, whisking often, until it thickens, about 2-3 minutes.
  • Remove the skillet from the heat. Stir in 1 3/4 cups (200g) of the shredded cheddar cheese until it melts completely into the sauce.
  • Add the partially cooked rice to the baking dish with the chicken and broccoli. Pour the cheese sauce over everything and stir gently until well combined.
  • Sprinkle the top evenly with the remaining 3/4 cup (80g) cheddar cheese and all of the Parmesan cheese.
  • Bake for 25 minutes, or until the sauce is bubbly and the top is golden brown. A thermometer inserted into the thickest part of a chicken piece should read 165°F (74°C). Let the casserole rest for 10 minutes before serving.

Notes

For food safety, always cook chicken to a minimum internal temperature of 165°F (74°C).
For the creamiest sauce, it's best to buy a block of cheddar and shred it yourself. Pre-shredded cheeses often contain anti-caking agents that can make the sauce grainy.
The rice is only partially cooked on the stovetop so it can finish cooking in the oven and absorb the flavors of the sauce. Do not cook it fully in the initial step.
Keyword broccoli, Casserole, Chicken, chicken broccoli rice casserole, weeknight dinner