Looking for a healthy and comforting dinner that’s easy to make? This chicken and broccoli casserole recipe is perfect for you! Made with tender chicken, fresh broccoli, and a creamy cheese sauce, this casserole is a delicious and nutritious meal that the whole family will love. It’s perfect for busy weeknights or whenever you need a quick, wholesome dinner. Let’s dive into how to make this tasty casserole!
Table of Contents
Recipe Ingredients

Here’s what you’ll need to make chicken and broccoli casserole:
- Chicken breasts: 2 large, cooked and cubed (about 3 cups)
- Broccoli florets: 4 cups (fresh or frozen)
- Pasta: 8 ounces (such as penne or fusilli, cooked al dente)
- Butter: 3 tablespoons
- All-purpose flour: 3 tablespoons (or gluten-free flour for a gluten-free version)
- Chicken broth: 1 1/2 cups
- Milk: 1 cup (whole milk or a dairy-free alternative)
- Cheddar cheese: 2 cups, shredded
- Garlic powder: 1 teaspoon
- Onion powder: 1 teaspoon
- Salt: 1/2 teaspoon
- Black pepper: 1/2 teaspoon
- Breadcrumbs: 1/2 cup (optional, for topping)
- Parmesan cheese: 1/4 cup, grated (optional, for topping)
Instructions
Step-by-Step Guide to Making Chicken and Broccoli Casserole
- Prepare the Chicken and Broccoli: Preheat your oven to 375°F (190°C). Cook the chicken breasts in a skillet over medium heat until no longer pink, about 6-7 minutes per side. Let them cool slightly, then cube them into bite-sized pieces. Steam the broccoli florets until tender-crisp, about 4-5 minutes, then drain and set aside.
- Cook the Pasta: While the chicken and broccoli are cooking, bring a large pot of salted water to a boil. Cook the pasta according to package instructions until al dente. Drain and set aside.
- Make the Creamy Sauce: In a medium saucepan, melt the butter over medium heat. Add the flour and whisk continuously for about 1 minute to form a roux. Gradually whisk in the chicken broth and milk, cooking until the sauce thickens, about 5 minutes. Stir in the garlic powder, onion powder, salt, and black pepper. Remove from heat and stir in 1 1/2 cups of cheddar cheese until melted and smooth.
- Assemble the Casserole: In a 9×13-inch baking dish, combine the cooked pasta, chicken, and broccoli. Pour the cheese sauce over the mixture and stir until everything is well coated. Sprinkle the remaining 1/2 cup of cheddar cheese over the top.
- Add Toppings: In a small bowl, mix the breadcrumbs and Parmesan cheese (if using). Sprinkle evenly over the top of the casserole.
- Bake the Casserole: Bake in the preheated oven for 20-25 minutes, or until the cheese is bubbly and the top is golden brown.
- Serve: Let the casserole cool for a few minutes before serving. Enjoy this healthy and delicious meal!
Tips for the Best Chicken and Broccoli Casserole
Choosing Fresh Broccoli and Quality Chicken
- Fresh Broccoli: Use fresh broccoli florets for the best flavor and texture. If using frozen broccoli, thaw it first and drain any excess water to prevent the casserole from becoming watery.
- Quality Chicken: Opt for boneless, skinless chicken breasts or thighs for tender and juicy pieces. You can also use leftover rotisserie chicken for convenience.
Achieving the Perfect Creamy Sauce
- Butter and Flour Roux: The roux (butter and flour mixture) is key to a smooth and creamy sauce. Cook the roux for about 1 minute to remove the raw flour taste before adding the liquids.
- Whisk Continuously: Whisk the sauce constantly while adding the chicken broth and milk to prevent lumps and ensure a smooth texture.
Adding Crunch and Flavor with Toppings
- Breadcrumbs and Cheese: A topping of breadcrumbs mixed with Parmesan adds a delicious crunch and enhances the flavor of the casserole. You can use gluten-free breadcrumbs if needed.
- Herbs and Spices: Add fresh herbs like thyme or parsley to the topping for an extra burst of flavor.
Serving Suggestions
Pairing Chicken and Broccoli Casserole with Sides and Salads
- Caesar Salad: Serve with a Caesar salad for a light and refreshing side that complements the rich flavors of the casserole.
- Garlic Bread: A side of garlic bread or gluten-free garlic bread pairs perfectly with the creamy sauce.
- Roasted Vegetables: Pair with roasted vegetables like carrots, bell peppers, or asparagus for a colorful and nutritious side dish.
Creative Variations for Chicken and Broccoli Casserole
- Low-Carb Version: Replace the pasta with cauliflower florets or spiralized zucchini for a low-carb alternative.
- Cheesy Ranch Casserole: Add 1/4 cup of ranch dressing to the cheese sauce for a tangy twist.
- Vegetarian Option: Omit the chicken and add extra vegetables like mushrooms, bell peppers, or spinach for a vegetarian-friendly version.
Making Casserole Ahead for Easy Meal Prep
- Prepare in Advance: Assemble the casserole up to 24 hours in advance and store it in the refrigerator. Bake just before serving for a fresh, hot meal.
- Freezing Option: Freeze the assembled, unbaked casserole for up to 3 months. Thaw overnight in the refrigerator and bake as directed.
Health Benefits of Chicken and Broccoli
Nutritional Advantages of Using Lean Protein and Fresh Vegetables
Chicken is a lean source of protein that helps build and repair muscle tissue, while broccoli is rich in vitamins C and K, fiber, and antioxidants, making this casserole a balanced and nutritious meal option.
Low-Carb and Gluten-Free Options
- Low-Carb: Replace pasta with low-carb alternatives like cauliflower or zucchini noodles for a lower-carb version of this casserole.
- Gluten-Free: Use gluten-free pasta and flour to make this recipe suitable for those with gluten sensitivities or celiac disease.
Frequently Asked Questions
- Can I use frozen broccoli in this casserole?
- Yes, you can use frozen broccoli. Thaw it completely and drain any excess water to prevent the casserole from becoming watery.
- How do I store and reheat leftover chicken and broccoli casserole?
- Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven at 350°F (175°C) until warmed through, or microwave individual portions.
- What are some good substitutes for cheese in this recipe?
- You can use dairy-free cheese alternatives or nutritional yeast for a dairy-free version, or swap cheddar for a cheese like Gruyere or Monterey Jack for a different flavor.
Conclusion

Chicken and broccoli casserole is a healthy, comforting dish that’s perfect for any night of the week. With its delicious combination of tender chicken, fresh broccoli, and a creamy cheese sauce, this casserole is sure to be a hit with your family. Whether you’re making it for a quick dinner or preparing ahead for a busy week, this easy recipe will satisfy your craving for a wholesome and flavorful meal. Try it today and enjoy the taste of comfort!




