Cheddar Broccoli Chicken Bake

Featured in: Family Sharing Plates

This dish blends tender chicken cubes with fresh broccoli florets, all combined in a creamy mixture of sour cream, milk, Dijon mustard, and thyme. It's topped with sharp cheddar cheese and buttery breadcrumbs for a golden, bubbly finish. Baked until hot and appetizing, the casserole offers a perfect balance of cheesy richness and fresh vegetable texture, making it an easy main course for any occasion.

Updated on Sat, 15 Nov 2025 11:29:00 GMT
Golden, bubbling Cheddar Broccoli Chicken Bake, perfect for a hearty, comforting family supper. Save
Golden, bubbling Cheddar Broccoli Chicken Bake, perfect for a hearty, comforting family supper. | cookinget.com

A comforting, cheesy casserole featuring tender chicken, crisp broccoli, and a golden cheddar topping—perfect for a cozy family dinner.

This Cheddar Broccoli Chicken Bake quickly became a weeknight staple in our home as everyone gathers around the table with excitement. The aroma of bubbling cheese and roasted broccoli always brings back memories of cozy evenings spent together.

Ingredients

  • Boneless, skinless chicken breasts: 2 large (about 500 g), cut into 2.5 cm (1-inch) cubes
  • Fresh broccoli florets: 2 cups (about 200 g)
  • Onion: 1 small, finely chopped
  • Garlic: 2 cloves, minced
  • Shredded sharp cheddar cheese: 1 1/4 cups (140 g), divided
  • Sour cream: 3/4 cup (180 ml)
  • Milk: 1/2 cup (120 ml)
  • Salt: 1/2 teaspoon
  • Ground black pepper: 1/4 teaspoon
  • Dijon mustard: 1 teaspoon
  • Dried thyme: 1 teaspoon
  • Breadcrumbs: 1/2 cup (30 g), gluten-free or regular
  • Unsalted butter: 2 tablespoons, melted

Instructions

Prep Oven:
Preheat oven to 200°C (400°F). Lightly grease a 23x33 cm (9x13 inch) baking dish.
Sauté Veggies:
In a large skillet over medium heat, sauté onion and garlic in 1 tablespoon of butter until softened, about 3 minutes.
Add & Cook Chicken:
Add chicken cubes and cook, stirring, until just opaque (not fully cooked), about 4 minutes. Remove from heat.
Mix Sauce:
In a large bowl, whisk together sour cream, milk, 1 cup cheddar cheese, Dijon mustard, thyme, salt, and pepper.
Combine Casserole:
Fold in broccoli florets and the partially cooked chicken mixture until evenly combined.
Assemble:
Spread mixture evenly in the prepared baking dish.
Make Topping:
In a small bowl, mix breadcrumbs with melted butter. Sprinkle remaining 1/4 cup cheddar cheese and breadcrumb mixture evenly over the casserole.
Bake:
Bake uncovered for 30–35 minutes, until bubbly and golden on top.
Rest:
Let stand for 5 minutes before serving.
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This dish is always a hit at our Sunday gatherings because it bridges everyone's favorites into one comforting meal. Kids love the cheesy top, while adults appreciate the tender chicken and veggies.

Serving Suggestions

Pair this casserole with a crisp green salad or serve over fluffy rice for a heartier meal. A glass of Chardonnay complements the flavors beautifully.

Allergen & Diet Info

Contains: Milk (cheese, sour cream, butter). Contains wheat if using regular breadcrumbs. To make it gluten-free, opt for certified GF breadcrumbs and always check product labels for allergens.

Nutrition Information

Per serving: 430 calories, 27 g total fat, 13 g carbohydrates, 34 g protein. Nutrition may vary based on ingredient choices.

A close-up of a cheesy Cheddar Broccoli Chicken Bake, showing tender chicken and crisp broccoli. Save
A close-up of a cheesy Cheddar Broccoli Chicken Bake, showing tender chicken and crisp broccoli. | cookinget.com

Enjoy this easy Cheddar Broccoli Chicken Bake fresh out of the oven for the best flavor and texture. Leftovers reheat well for quick meals throughout the week!

Recipe FAQs

Can I use frozen broccoli in this dish?

Yes, frozen broccoli works well. Thaw and drain it thoroughly before mixing to prevent excess moisture.

What type of cheese is best for this bake?

Sharp cheddar cheese provides the ideal rich and tangy flavor, melting smoothly over the dish.

How can I make this dish gluten-free?

Use certified gluten-free breadcrumbs in the topping to keep it free of gluten while maintaining texture.

Can I substitute sour cream with another ingredient?

Greek yogurt is a great alternative that adds creaminess with a lighter touch and slight tang.

What is the best way to ensure the chicken is tender?

Partially cooking the chicken before combining with other ingredients helps it stay moist and tender through baking.

Any suggestions for enhancing the topping?

Add a pinch of smoked paprika to the breadcrumb mixture for a subtle smoky depth.

Cheddar Broccoli Chicken Bake

A comforting, cheesy bake with tender chicken and fresh broccoli topped with melted cheddar cheese.

Prep Duration
20 minutes
Time to Cook
35 minutes
Overall Time
55 minutes
Recipe by Sophie Daniels


Skill Difficulty Easy

Cuisine American

Output 4 Portion Count

Diet Preferences None specified

What You'll Need

Proteins

01 2 large boneless, skinless chicken breasts (approximately 1.1 lbs), cut into 1-inch cubes

Vegetables

01 2 cups fresh broccoli florets (about 7 oz)
02 1 small onion, finely chopped
03 2 cloves garlic, minced

Dairy

01 1 1/4 cups shredded sharp cheddar cheese (5 oz), divided
02 3/4 cup sour cream (6 fl oz)
03 1/2 cup milk (4 fl oz)

Pantry

01 1/2 teaspoon salt
02 1/4 teaspoon ground black pepper
03 1 teaspoon Dijon mustard
04 1 teaspoon dried thyme

Topping

01 1/2 cup gluten-free or regular breadcrumbs (1.1 oz)
02 2 tablespoons unsalted butter, melted

Directions

Step 01

Preheat Oven and Prepare Dish: Preheat the oven to 400°F. Lightly grease a 9x13 inch baking dish.

Step 02

Sauté Aromatics: In a large skillet over medium heat, sauté the onion and garlic in 1 tablespoon of butter until softened, approximately 3 minutes.

Step 03

Cook Chicken: Add the cubed chicken to the skillet and cook, stirring frequently, until the exterior is opaque but not fully cooked, about 4 to 5 minutes. Remove from heat.

Step 04

Combine Creamy Sauce: In a large bowl, whisk together sour cream, milk, 1 cup of shredded cheddar cheese, Dijon mustard, dried thyme, salt, and pepper.

Step 05

Mix Vegetables and Chicken: Fold the broccoli florets and the partially cooked chicken mixture into the creamy sauce until evenly combined.

Step 06

Assemble in Baking Dish: Spread the combined mixture uniformly into the prepared baking dish.

Step 07

Prepare and Add Topping: In a small bowl, combine the breadcrumbs with melted butter. Sprinkle the remaining 1/4 cup shredded cheddar cheese and the breadcrumb mixture evenly over the top of the casserole.

Step 08

Bake Until Golden: Bake uncovered for 30 to 35 minutes until the casserole is bubbly and the topping has turned golden brown.

Step 09

Rest Before Serving: Allow the dish to rest for 5 minutes before serving.

Essential Tools

  • 9x13 inch baking dish
  • Large skillet
  • Mixing bowls
  • Whisk
  • Cutting board and knife
  • Measuring cups and spoons

Allergy Details

Review all ingredients for allergens. Ask a medical expert when uncertain.
  • Contains milk from cheese, sour cream, and butter.
  • Contains wheat if using traditional breadcrumbs; use certified gluten-free breadcrumbs to avoid gluten.

Nutrition Facts (per portion)

These numbers offer reference only, not medical guidance.
  • Energy Value: 430
  • Fats: 27 g
  • Carbohydrates: 13 g
  • Proteins: 34 g