Save A comforting, creamy casserole featuring tender chicken, fresh broccoli, and a golden cheddar cheese topping—perfect for a family dinner or potluck.
I remember the first time I baked this casserole on a chilly evening. My family couldn't wait to dig in, and it quickly became one of our easiest weeknight favorites.
Ingredients
- Cooked chicken breast: 2 cups, diced or shredded
- Fresh broccoli florets: 3 cups
- Unsalted butter: 2 tablespoons
- All-purpose flour: 2 tablespoons
- Whole milk: 1 cup
- Low-sodium chicken broth: 1/2 cup
- Dijon mustard: 1 teaspoon
- Garlic powder: 1/2 teaspoon
- Onion powder: 1/2 teaspoon
- Salt: 1/2 teaspoon
- Black pepper: 1/4 teaspoon
- Sharp cheddar cheese: 1 1/2 cups, shredded (divided)
- Panko breadcrumbs: 1/2 cup
- Olive oil: 1 tablespoon
- Crushed red pepper flakes (optional): 1/4 teaspoon, for a kick
Instructions
- Prepare the Oven & Dish:
- Preheat the oven to 375°F (190°C) and lightly grease a 9x13-inch (23x33 cm) baking dish.
- Prep Broccoli:
- Steam or blanch the broccoli florets in boiling water for 2-3 minutes until just tender and bright green. Drain and set aside.
- Make Sauce:
- In a medium saucepan, melt the butter over medium heat. Stir in the flour and cook for 1 minute, whisking constantly.
- Thicken Sauce:
- Gradually add milk and chicken broth, whisking to prevent lumps. Cook for 3-4 minutes until the sauce thickens.
- Season Sauce:
- Stir in Dijon mustard, garlic powder, onion powder, salt, and black pepper. Remove from heat.
- Add Cheese:
- Stir in 1 cup of cheddar cheese until melted and smooth.
- Combine Main Ingredients:
- In a large bowl, mix chicken, blanched broccoli, and cheese sauce until well combined.
- Assemble Casserole:
- Spread mixture evenly in the prepared baking dish.
- Top & Finish:
- Sprinkle remaining cheddar cheese (1/2 cup) over the top. Toss panko breadcrumbs with olive oil and red pepper flakes (if using), then sprinkle over casserole.
- Bake:
- Bake for 25-30 minutes until bubbling and top is golden brown.
- Cool & Serve:
- Let cool 5 minutes before serving.
Save This casserole always brings my family together for dinner, with everyone coming back for seconds at the table.
Serving Ideas
Pair with a crisp salad or garlic bread for a complete meal. Leftovers reheat beautifully for lunch the next day.
Make It Ahead
You can assemble the casserole a day in advance, refrigerate, and bake when ready to eat.
Nutrition Facts
Each serving contains about 420 calories, 21 g fat, 21 g carbohydrates, and 36 g protein.
Save Enjoy this comforting bake fresh from the oven—your loved ones will ask for it again and again.