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Creamy potato chicken and broccoli casserole dish served in a bowl.

Baked Potato Chicken and Broccoli Casserole

A comforting casserole combining creamy chicken, tender broccoli, and fluffy baked potatoes, perfect for family dinners or gatherings.
Prep Time 15 minutes
Cook Time 1 hour 15 minutes
Total Time 1 hour 30 minutes
Course Dinner, Main Course
Cuisine American
Servings 6 servings
Calories 450 kcal

Ingredients
  

Main Ingredients

  • 2 large chicken breasts Juicy and tender, these will be the star protein of the dish.
  • 1 head broccoli Fresh florets that add a vibrant green color and nutrition.
  • 4 large potatoes Starchy, fluffy potatoes that will serve as the comforting base.
  • 1 cup shredded cheddar cheese Rich and creamy, this cheese will melt beautifully on top.
  • 1 cup milk Whole or low-fat, creates a creamy sauce that binds everything.
  • 1/2 cup sour cream Adds a tangy flavor and enhances the creaminess.
  • 2 tablespoons butter For sautéing and enriching the sauce.
  • 2 tablespoons flour To thicken the sauce.
  • 1 teaspoon garlic powder Aromatic and savory, elevates flavors.
  • 1 teaspoon onion powder Adds depth and enhances the overall taste.
  • to taste Salt and pepper Essential for seasoning.

Instructions
 

Preparation

  • Preheat the oven to 375°F (190°C).
  • Wash and peel the potatoes, then cut them into 1-inch cubes.
  • Cut the broccoli into small florets and briefly boil in a pot of water for 3-4 minutes until tender but vibrant; drain and set aside.
  • Cook chicken breasts in a skillet over medium heat until no longer pink, about 6-8 minutes on each side. Let cool and cut into bite-sized pieces.

Making the Sauce

  • Melt butter in the same skillet over medium heat and add flour, whisking constantly for about 1 minute.
  • Slowly whisk in milk until mixture thickens, then add garlic powder, onion powder, salt, and pepper.
  • Remove from heat and whisk in sour cream until well combined.

Assembly and Baking

  • Layer half of the potatoes, broccoli, and chicken in a greased baking dish, then pour half of the creamy sauce over the layers.
  • Repeat the layers with the remaining ingredients, covering everything with sauce.
  • Cover with aluminum foil and bake for 1 hour at 375°F.
  • Remove foil, sprinkle cheese on top, and bake for an additional 15-20 minutes until the cheese is melted and bubbly.

Serving

  • Let the casserole cool for a few minutes before serving.

Notes

Pre-boil broccoli, don't overcook chicken, leave some skin on potatoes, and layer wisely for best results.
Keyword Baked Potato, Broccoli, casserole, Chicken, Comfort Food