Cheddar Broccoli Chicken Bake (Printable)

A cheesy casserole with tender chicken, fresh broccoli, and a crispy cheddar topping, baked to golden perfection.

# What You'll Need:

→ Proteins

01 - 2 large boneless, skinless chicken breasts, cut into 1-inch cubes

→ Vegetables

02 - 2 cups fresh broccoli florets
03 - 1 small onion, finely chopped
04 - 2 cloves garlic, minced

→ Dairy

05 - 1 1/4 cups shredded sharp cheddar cheese, divided
06 - 3/4 cup sour cream
07 - 1/2 cup milk
08 - 2 tablespoons unsalted butter

→ Pantry

09 - 1/2 teaspoon salt
10 - 1/4 teaspoon ground black pepper
11 - 1 teaspoon Dijon mustard
12 - 1 teaspoon dried thyme

→ Topping

13 - 1/2 cup gluten-free or regular breadcrumbs

# Method:

01 - Preheat oven to 400°F. Lightly grease a 9x13 inch baking dish.
02 - In a large skillet over medium heat, melt 1 tablespoon butter and sauté onion and garlic until softened, approximately 3 minutes.
03 - Add chicken cubes to the skillet and cook, stirring frequently, until opaque but not fully cooked, about 4 to 5 minutes. Remove from heat.
04 - In a large bowl, whisk together sour cream, milk, 1 cup of cheddar cheese, Dijon mustard, dried thyme, salt, and pepper until smooth.
05 - Fold broccoli florets and the partially cooked chicken into the dairy mixture, ensuring even distribution.
06 - Spread the combined mixture evenly in the prepared baking dish.
07 - Mix breadcrumbs with melted butter in a small bowl. Sprinkle the remaining 1/4 cup cheddar cheese and breadcrumb mixture evenly over the casserole.
08 - Bake uncovered for 30 to 35 minutes until the casserole is bubbly and the topping is golden brown.
09 - Allow to stand for 5 minutes before serving to set.

# Expert Advice:

01 -
  • Delicious cheesy flavor in every bite
  • Easy weeknight casserole that the whole family will enjoy
02 -
  • To make this recipe gluten-free, always use certified gluten-free breadcrumbs
  • Frozen broccoli can be used—be sure to thaw and drain well for best texture
03 -
  • Cut chicken and broccoli into similar sized pieces for even cooking
  • Substitute Greek yogurt for sour cream for a lighter version without sacrificing creaminess
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