Chicken Broccoli Cheddar Bake

Featured in: One-Pot Comfort Dishes

This creamy casserole combines tender chicken breast with fresh broccoli florets, all enveloped in a smooth cheddar cheese sauce. A crispy cheddar and panko topping adds texture and golden color. The dish is baked until bubbling and perfectly browned, making it a hearty, family-friendly option for dinner or gatherings. Simple seasoning with garlic, onion powders, and mustard brings depth to the sauce, balancing flavors perfectly.

Updated on Tue, 11 Nov 2025 13:23:00 GMT
Chicken & Broccoli Cheddar Bake bubbling hot, with a melted cheddar and breadcrumb topping. Save
Chicken & Broccoli Cheddar Bake bubbling hot, with a melted cheddar and breadcrumb topping. | sizzlebloom.com

A comforting, creamy casserole featuring tender chicken, fresh broccoli, and a golden cheddar cheese topping—perfect for a family dinner or potluck.

I first made this Chicken & Broccoli Cheddar Bake when my family wanted something warm and satisfying. The entire kitchen filled with an irresistible aroma as it baked.

Ingredients

  • Cooked chicken breast: 2 cups, diced or shredded
  • Broccoli florets: 3 cups, fresh
  • 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: 1/4 teaspoon, optional for a kick

Instructions

Prepare the dish:
Preheat oven to 375°F (190°C). Lightly grease a 9x13-inch (23x33 cm) baking dish.
Blanch broccoli:
Steam or blanch broccoli florets for 2-3 minutes until just tender and bright green. Drain and set aside.
Make cheese sauce:
In a medium saucepan, melt butter over medium heat. Stir in flour and cook for 1 minute, whisking constantly. Gradually add milk and chicken broth, whisking to prevent lumps. Cook for 3-4 minutes until sauce thickens. Stir in Dijon mustard, garlic powder, onion powder, salt, and black pepper, then remove from heat. Add 1 cup cheddar cheese and stir until melted and smooth.
Combine ingredients:
In a large bowl, combine cooked chicken, blanched broccoli, and cheese sauce. Mix well and spread evenly in prepared baking dish.
Add toppings:
Sprinkle remaining 1/2 cup cheddar cheese over casserole. Toss panko breadcrumbs with olive oil (and red pepper flakes, if using), then sprinkle over the top.
Bake and serve:
Bake for 25-30 minutes until bubbling and top is golden brown. Let cool for 5 minutes before serving.
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My kids always request seconds whenever I make this casserole. It's become a staple at our weeknight dinners.

Serving Suggestions

Serve with a crisp green salad or a side of roasted potatoes for a complete meal.

Variations

Add cooked rice or quinoa for an even heartier dish. Try mixing in sautéed mushrooms or bell peppers for extra flavor.

Storing and Reheating

Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat portions in the oven or microwave until warmed through.

A close-up of a creamy Chicken & Broccoli Cheddar Bake just pulled from the oven. Save
A close-up of a creamy Chicken & Broccoli Cheddar Bake just pulled from the oven. | sizzlebloom.com

This Chicken & Broccoli Cheddar Bake is perfect for sharing. Enjoy the warm, cheesy comfort with family or friends.

Common Questions

Can I use frozen broccoli instead of fresh?

Yes, thaw and drain frozen broccoli before blanching or steaming to achieve the right texture.

What type of cheese works best for this dish?

Sharp cheddar provides a rich, tangy flavor and melts well to create a creamy sauce and golden topping.

How can I make this dish spicier?

Add crushed red pepper flakes to the breadcrumb topping for a subtle kick without overpowering the dish.

Is it possible to prepare this ahead of time?

Yes, assemble the casserole and refrigerate for a few hours before baking, adding extra baking time if chilled.

What sides pair well with this bake?

A crisp green salad or a glass of Chardonnay complements the creamy and cheesy flavors nicely.

Can I substitute chicken with another protein?

Turkey or cooked shredded pork can be used as alternatives for different flavor profiles.

Chicken Broccoli Cheddar Bake

Comforting casserole combining tender chicken, broccoli, and sharp cheddar in a creamy blend.

Setup Duration
20 min
Heat Duration
35 min
Complete Duration
55 min
Created by Emily Dawson

Classification One-Pot Comfort Dishes

Skill Level Easy

Heritage American

Output 4 Portions

Nutrition Labels None specified

Components

Protein & Vegetables

01 2 cups cooked chicken breast, diced or shredded
02 3 cups fresh broccoli florets

Sauce & Base

01 2 tablespoons unsalted butter
02 2 tablespoons all-purpose flour
03 1 cup whole milk
04 1/2 cup low-sodium chicken broth
05 1 teaspoon Dijon mustard
06 1/2 teaspoon garlic powder
07 1/2 teaspoon onion powder
08 1/2 teaspoon salt
09 1/4 teaspoon black pepper

Cheese & Topping

01 1 1/2 cups sharp cheddar cheese, shredded (divided)
02 1/2 cup panko breadcrumbs
03 1 tablespoon olive oil

Optional

01 1/4 teaspoon crushed red pepper flakes

Method Steps

Phase 01

Preheat Oven and Prepare Baking Dish: Preheat oven to 375°F. Lightly grease a 9x13-inch baking dish.

Phase 02

Blanch Broccoli: Steam or blanch broccoli florets in boiling water for 2-3 minutes until just tender and bright green; drain and set aside.

Phase 03

Make Roux: In a medium saucepan, melt butter over medium heat. Stir in flour and cook for 1 minute, whisking constantly.

Phase 04

Prepare Sauce: Gradually add milk and chicken broth to the roux, whisking continuously to prevent lumps. Cook 3-4 minutes until sauce thickens.

Phase 05

Season Sauce: Stir in Dijon mustard, garlic powder, onion powder, salt, and black pepper. Remove from heat.

Phase 06

Add Cheese to Sauce: Incorporate 1 cup shredded cheddar cheese into the sauce, stirring until melted and smooth.

Phase 07

Combine Main Ingredients: In a large bowl, mix cooked chicken, blanched broccoli, and cheese sauce until evenly combined.

Phase 08

Assemble Casserole: Spread the mixture evenly into the prepared baking dish.

Phase 09

Add Cheese and Breadcrumb Topping: Sprinkle remaining 1/2 cup cheddar over the top. Toss panko breadcrumbs with olive oil and optional red pepper flakes, then sprinkle evenly over casserole.

Phase 10

Bake: Bake for 25-30 minutes until the casserole is bubbling and the topping is golden brown.

Phase 11

Rest and Serve: Allow to cool for 5 minutes before serving.

Kitchen Tools

  • 9x13-inch baking dish
  • Medium saucepan
  • Mixing bowls
  • Whisk
  • Steamer or pot for blanching broccoli

Dietary Alerts

Always review ingredients individually for potential allergens and seek professional medical guidance when uncertain.
  • Contains milk (cheese, milk, butter) and wheat (flour, panko breadcrumbs).

Dietary Information (per portion)

Values shown are estimates and shouldn't replace professional medical consultation.
  • Energy Value: 420
  • Fats: 21 g
  • Carbohydrates: 21 g
  • Proteins: 36 g