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Ultimate Cheesy Chicken Potato Broccoli Casserole - Creamy One-Pan Family Dinner

This creamy cheesy chicken potato broccoli casserole is the ultimate family-friendly dinner that comes together in one dish for easy cleanup. With tender chicken, golden potatoes, crisp broccoli florets, and a rich cheese sauce, this comforting bake will become a weeknight staple that even picky eaters love.
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Prep Time 20 minutes
Cook Time 45 minutes
Total Time 1 hour 5 minutes
Servings: 4 servings
Calories: 450
Ingredients Method Notes

Ingredients
  

Ingredients
  • 1.5 lbs chicken breasts, cut into bite-sized pieces
  • 4 medium potatoes, peeled and cubed
  • 3 cups broccoli florets
  • 1 cup shredded cheddar cheese
  • 1 cup shredded mozzarella cheese
  • 1/2 cup grated Parmesan cheese
  • 1 cup heavy cream
  • 1/2 cup chicken broth
  • 2 tablespoons butter
  • 2 cloves garlic, minced
  • 1 teaspoon Italian seasoning
  • 1/2 teaspoon paprika
  • Salt and black pepper to taste
  • 1 tablespoon olive oil

Method
 

Instructions
  1. Preheat your oven to 375°F (190°C). Grease a 9x13 inch baking dish with olive oil or butter.
  2. In a large bowl, toss the cubed potatoes with olive oil, salt, pepper, and paprika. Spread them evenly in the prepared baking dish and bake for 15 minutes to start softening.
  3. While potatoes bake, season the chicken pieces with Italian seasoning, garlic, salt, and pepper. In a skillet, melt butter over medium heat and cook the chicken until lightly browned but not fully cooked (about 5-6 minutes).
  4. Remove potatoes from oven and scatter the broccoli florets over them. Arrange the browned chicken pieces evenly throughout the dish.
  5. In a separate bowl, whisk together heavy cream and chicken broth. Pour this mixture evenly over the casserole ingredients.
  6. Combine all three cheeses in a bowl, then sprinkle generously over the entire casserole, covering everything evenly.
  7. Return the casserole to the oven and bake for 25-30 minutes, or until the cheese is golden and bubbly, and the potatoes are fork-tender.
  8. Let the casserole rest for 5 minutes before serving to allow the sauce to thicken slightly.

Notes

Cut potatoes evenly for even cooking. Don't overcook broccoli - it should be crisp-tender going in. Customize cheese combinations. Make ahead option available.