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If you’re craving a hearty, comforting meal that’s creamy, cheesy, and packed with flavor, this Cheesy Chicken and Broccoli Bake is exactly what you need. Combining juicy chicken, tender broccoli florets, and a rich homemade cheese sauce, this casserole is a family favorite that never disappoints.
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Perfect for busy weeknights or cozy weekend dinners, this recipe delivers the warmth of home-cooked comfort food with minimal effort. Every bite brings together the perfect blend of protein, veggies, and melty cheese in one deliciously satisfying dish.
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Why You’ll Love This Recipe
This isn’t just another chicken casserole — it’s a creamy, cheesy, crowd-pleasing masterpiece. Here’s why it stands out:
- One-pan convenience: Everything bakes together for easy cleanup.
 - Rich and comforting: The homemade cheese sauce adds unbeatable flavor.
 - Family-friendly: Even picky eaters love it — the cheese makes the broccoli irresistible.
 - Perfect make-ahead meal: Assemble it in advance and bake when ready.
 - Balanced and hearty: Packed with protein, vegetables, and dairy for a complete dinner.
 
Ingredients Breakdown
For the Casserole Base
- Chicken breasts or thighs: Boneless and skinless, cut into bite-sized cubes. Thighs stay extra juicy, but breasts work beautifully, too.
 - Broccoli florets: Fresh or frozen; both work. They add texture, nutrients, and color.
 - Olive oil: Helps brown the chicken and lock in flavor.
 - Garlic powder, onion powder, and paprika: Build a savory seasoning base.
 - Salt and black pepper: Essential for balance and flavor.
 
For the Creamy Cheese Sauce
- Butter and flour: The foundation of the roux, thickening the sauce for that creamy texture.
 - Milk and chicken broth: Combine for a smooth, flavorful liquid base.
 - Cheddar cheese: Sharp cheddar gives that classic cheesy flavor.
 - Parmesan cheese: Adds depth, saltiness, and richness.
 - Dry mustard and nutmeg (optional): Small additions that enhance the sauce’s flavor complexity.
 
For the Topping
- Mozzarella cheese: Melts beautifully, giving the casserole that irresistible stretch.
 - Panko breadcrumbs: Provide a golden, crispy topping.
 - Melted butter: Helps toast the breadcrumbs for a perfect crunch.
 

Tips and Tricks
- Cut chicken evenly: This ensures all pieces cook at the same rate.
 - Use fresh-grated cheese: Pre-shredded cheese contains anti-caking agents that prevent smooth melting.
 - Adjust the sauce consistency: If too thick, add a splash of milk; if too thin, simmer a bit longer.
 - Prep ahead: Assemble up to a day in advance, cover, and refrigerate until ready to bake.
 - Add rice or pasta: For a heartier casserole, mix in cooked rice or noodles before baking.
 
Variations and Customizations
- Low-carb option: Swap flour for almond flour and use heavy cream instead of milk.
 - Add extra vegetables: Include mushrooms, spinach, or peas for added nutrition.
 - Spicy version: Stir in a pinch of cayenne pepper or crushed red pepper flakes.
 - Different cheeses: Try Monterey Jack, Gouda, or Colby for a new flavor twist.
 - Crunchy topping alternatives: Use crushed Ritz crackers or cornflakes instead of breadcrumbs.
 
Pairing Suggestions
Serve this creamy casserole with simple sides that balance its richness:
- Garlic bread: Perfect for soaking up the cheesy sauce.
 - Mixed green salad: Adds freshness and crunch.
 - Steamed rice: Turns it into a hearty, filling dinner.
 - Mashed potatoes: Doubles down on the comfort factor.
 - Chardonnay or iced tea: Great beverage pairings to complement the creamy flavors.
 
Storage Instructions
- Refrigerate: Store leftovers in an airtight container for up to 4 days.
 - Reheat: Warm individual portions in the microwave or bake at 350°F until heated through.
 - Freeze: Assemble and freeze before baking for up to 2 months. Thaw overnight in the fridge and bake as directed.
 
Popular Questions
Can I use rotisserie chicken instead of raw chicken?
Absolutely! Just skip the sautéing step and mix the shredded rotisserie chicken directly with the broccoli before adding the sauce.
Can I make this casserole ahead of time?
Yes, prepare everything up to the baking step, cover with foil, and refrigerate. When ready to bake, add 5 extra minutes to the cooking time.
What can I substitute for broccoli?
Cauliflower, asparagus, or green beans make excellent substitutes.
Can I make it gluten-free?
Yes — use gluten-free flour for the roux and gluten-free breadcrumbs for the topping.

Cheesy Chicken and Broccoli Bake
Ingredients
- 1.5 lbs boneless, skinless chicken breasts or thighs, cut into 1-inch cubes
 - 4 cups broccoli florets, cut into bite-sized pieces (fresh or frozen)
 - 1 tbsp olive oil
 - 1 tsp garlic powder
 - 1 tsp onion powder
 - 0.5 tsp paprika
 - salt and black pepper, to taste
 - 3 tbsp unsalted butter
 - 3 tbsp all-purpose flour
 - 2 cups milk (whole or 2%)
 - 1 cup chicken broth
 - 2 cups shredded cheddar cheese, divided
 - 0.5 cup grated Parmesan cheese
 - 0.5 tsp dry mustard powder (optional)
 - 0.25 tsp nutmeg (optional)
 - 1 cup shredded mozzarella cheese
 - 0.5 cup Panko breadcrumbs (optional)
 - 2 tbsp melted butter
 
Method
- Preheat the oven to 375°F (190°C) and lightly grease a 9×13-inch baking dish.
 - Heat olive oil in a large skillet. Season chicken with garlic powder, onion powder, paprika, salt, and pepper. Sear for 5–6 minutes until lightly golden. Add broccoli during the last 2 minutes to soften. Transfer both to the baking dish.
 - In the same skillet, melt butter over medium heat. Stir in flour and cook for 1–2 minutes until lightly golden to make a roux.
 - Slowly whisk in milk and chicken broth until smooth. Cook 3–5 minutes until the sauce thickens.
 - Lower heat and stir in 1½ cups cheddar cheese, Parmesan, and optional mustard and nutmeg until melted and creamy.
 - Pour the sauce evenly over the chicken and broccoli, stirring gently to coat.
 - Top with remaining cheddar and mozzarella. Mix Panko with melted butter and sprinkle on top.
 - Bake uncovered for 20–25 minutes until bubbly and golden brown.
 - Let rest for 5–10 minutes before serving for easier slicing.
 
Notes
- Use freshly shredded cheese for the best melt and flavor.
 - Add a pinch of red pepper flakes for subtle heat.
 - To make it extra creamy, stir in a spoonful of sour cream before baking.
 
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