Broccoli Chicken Rice Casserole

This broccoli chicken rice casserole cooks entirely in one pot, so you get a creamy, cheesy dinner without a separate baking step. Juicy chicken thighs, tender rice, and bright broccoli simmer together in a simple milk and broth sauce, then get topped with melted cheese.

It is the kind of comforting weeknight meal that feeds the whole family with minimal dishes. There is no canned soup and no pre cooking the rice, and everything goes from stovetop to table in one go. A broiler finish gives the cheese a golden, bubbly top, but you can also just cover the pot and let it melt.

Why This Broccoli Chicken Rice Casserole Recipe Works

Rice cooks directly in the sauce, which means it absorbs flavor from the broth, milk, and chicken as it softens. Covering the pot and keeping the heat on medium low lets the rice cook gently without scorching.

Chicken thighs stay juicy through simmering and shred nicely into the rice. Cutting them into bite size pieces means they cook quickly and evenly, and stirring them in early adds extra flavor to the pot.

Adding the broccoli for the last 3 minutes keeps it bright green and tender with a little bite. The cheese goes on at the end so it melts without breaking, and a few seconds under the broiler gives it color.

Ingredients for Broccoli Chicken Rice Casserole

  • 2 tbsp unsalted butter
  • 1 tbsp olive oil
  • 1 large onion, finely chopped
  • 2 cloves garlic, minced
  • 1 pound boneless skinless chicken thighs, cut into bite size pieces
  • 2 1/2 tbsp all purpose flour
  • 2 cups milk, any fat level
  • 2 cups low sodium chicken broth
  • 1 1/4 cups long grain white rice, uncooked
  • 1 tsp dried thyme
  • 1/4 tsp kosher salt
  • 1/4 tsp black pepper
  • 1 large head broccoli, cut into small florets, about 1 pound
  • 2 cups shredded mozzarella or cheddar
  • Chopped parsley, for garnish

Chicken thighs. They stay tender and flavorful in a simmering sauce. Breast also works, but cut it slightly larger and watch the time.

Long grain rice. Regular long grain white rice cooks evenly in this amount of liquid. Do not rinse it, since the surface starch helps thicken the sauce.

Milk and broth. Together they make a light creamy sauce that cooks the rice and keeps it moist.

Broccoli. Small florets cook fast and mix easily into the rice. Add them late so they keep their color.

Cheese. Mozzarella melts into a stretchy blanket, while cheddar adds a sharper flavor. A mix of both is great.

How to Make Broccoli Chicken Rice Casserole

1. Soften the aromatics Melt the butter with the olive oil in a large, deep pot over medium high heat. Add the onion and garlic and cook for 1 minute until fragrant.

2. Cook the chicken Add the chicken and stir for 3 minutes until it turns from pink to white on the outside.

3. Build the sauce Lower the heat to medium, sprinkle in the flour, and stir for 1 minute. Pour in half the milk while stirring, then add the rest.

4. Add rice and broth Stir in the broth, rice, thyme, salt, and pepper. Bring to a simmer.

5. Cover and cook Reduce the heat to medium low, cover, and cook for 12 minutes without lifting the lid more than needed.

6. Add the broccoli Uncover, push the florets down into the rice so they are partly submerged, then cover and cook for 3 minutes more until the rice is tender.

7. Melt the cheese If your pot is oven safe, heat the broiler. Stir in half the cheese, smooth the top, and scatter the rest over the surface. Broil for 2 minutes until bubbly, or simply cover off the heat until melted. Confirm the chicken reaches 165 degrees F.

How to Serve Broccoli Chicken Rice Casserole

Serve the casserole hot straight from the pot, garnished with parsley. A crisp Italian house salad adds freshness, and garlic bread slices are great for scooping up the sauce. For a bigger meal, add air fryer asparagus, and finish with New York cheesecake.

How to Store and Reheat Broccoli Chicken Rice Casserole

Let the casserole cool, then refrigerate in an airtight container for up to 3 days. Cooked rice should not sit at room temperature, so refrigerate it within 1 to 2 hours. Reheat with a splash of milk or broth in a covered pan or the microwave until the center reaches 165 degrees F. You can freeze it for up to 1 month, but the rice texture becomes softer after thawing.

Tips and Variations for Broccoli Chicken Rice Casserole

Cut the chicken evenly. Same size pieces cook evenly and stay juicy.

Keep the lid on. Lifting the lid lets steam escape and can leave the rice undercooked.

Stir gently. Avoid over stirring after the broccoli goes in, since that makes the rice gummy.

Add a splash of liquid. If the rice looks dry before it is tender, stir in a few tablespoons of warm broth.

Use other vegetables. Cauliflower, peas, or diced carrots can replace some broccoli.

Adjust the cheese. Use a sharper cheddar for more flavor or a blend of mozzarella and cheddar for the best melt.

Season at the end. Taste before adding more salt, because the cheese and broth bring plenty already.

Store rice safely. Cooked rice needs quick cooling and cold storage, as explained in this University of California food safety update.

Frequently Asked Questions About Broccoli Chicken Rice Casserole

Can I use chicken breast in broccoli chicken rice casserole?

Yes. Cut it into slightly larger pieces and cook until it reaches 165 degrees F. Thighs stay juicier, but breast works well too.

Can I use brown rice in broccoli chicken rice casserole?

Brown rice needs more liquid and a longer cooking time, so add an extra cup of broth and expect about double the simmering time.

How do I keep broccoli chicken rice casserole from getting mushy?

Use the exact amount of liquid, keep the pot covered on medium low, and add the broccoli only for the last 3 minutes.

Can I make this in the oven?

The stovetop method is the most reliable for cooking the rice evenly. If you need to bake, use a covered, oven safe Dutch oven and check the rice for tenderness before adding the broccoli and cheese.

Can I freeze the leftovers?

You can freeze them for up to 1 month, but the rice softens. Cool quickly, freeze in portions, and reheat until steaming hot.

Broccoli Chicken Rice Casserole

A one pot casserole of chicken thighs, rice, and broccoli in a creamy sauce topped with melted cheese.
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Course Dinner, Main Course
Cuisine American
Servings 4 servings
Calories 720 kcal

Equipment

  • Large deep pot with lid
  • Wooden spoon
  • Box grater

Ingredients
  

Main Ingredients

  • 2 tbsp unsalted butter
  • 1 tbsp olive oil
  • 1 large onion finely chopped
  • 2 cloves garlic minced
  • 1 lb boneless skinless chicken thighs cut into bite size pieces
  • 2 ½ tbsp all purpose flour
  • 2 cup milk any fat level
  • 2 cup low sodium chicken broth
  • 1 ¼ cup long grain white rice uncooked
  • 1 tsp dried thyme
  • ¼ tsp kosher salt
  • ¼ tsp black pepper
  • 1 large head broccoli cut into small florets, about 1 lb
  • 2 cup shredded mozzarella or cheddar
  • 2 tbsp chopped parsley for garnish

Instructions
 

Cooking

  • Saute. Heat the butter and oil in a deep pot and cook the onion and garlic 1 minute.
  • Chicken. Stir in the chicken for 3 minutes until opaque on the outside.
  • Sauce. Stir in the flour for 1 minute, then add the milk gradually.
  • Rice. Add the broth, rice, thyme, salt, and pepper. Simmer, cover, and cook on medium low 12 minutes.
  • Broccoli. Push in the broccoli, cover, and cook 3 minutes more.
  • Cheese. Stir in half the cheese, top with the rest, and melt under the broiler or covered off the heat. Chicken should reach 165 degrees F.

Notes

Substitutions: Use chicken breast for thighs, or cheddar for mozzarella.
Tips: Keep the pot covered and add the broccoli late so the rice cooks evenly.
Storage: Refrigerate up to 3 days. Freeze up to 1 month. Reheat to 165 degrees F.
Keyword broccoli chicken rice casserole, Chicken and Rice, Chicken Casserole, One Pot Meal