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Baked potato chicken and broccoli casserole topped with melted cheese and bacon in a baking dish

Baked Potato Chicken and Broccoli Casserole


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  • Author: Sophia
  • Total Time: 45 minutes
  • Yield: 6 servings

Description

A creamy, comforting baked potato chicken and broccoli casserole made with cheddar cheese, sour cream, and simple pantry ingredients. Perfect for easy family dinners.


Ingredients

Scale
  • 4 medium russet potatoes, peeled and diced
  • 2 cups cooked chicken breast, diced or shredded
  • 2 cups broccoli florets (fresh or frozen)
  • 2 tablespoons butter
  • 2 cloves garlic, minced
  • 2 cups milk
  • 2 tablespoons all-purpose flour
  • 1 cup sour cream
  • 2 cups shredded cheddar cheese
  • 1/2 cup grated Parmesan cheese
  • 1/2 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1/2 teaspoon paprika
  • 1/2 teaspoon dried thyme
  • 1/2 cup cooked bacon, crumbled (optional)
  • 2 tablespoons chopped green onions (optional)


Instructions

  1. Preheat oven to 375°F (190°C) and lightly grease a 9x13-inch baking dish.
  2. Boil diced potatoes in salted water for 8–10 minutes until just fork-tender. Drain.
  3. Blanch broccoli in boiling water for 2 minutes, then drain well.
  4. Melt butter in a saucepan over medium heat. Add garlic and sauté for 30 seconds.
  5. Whisk in flour and cook for 1 minute. Slowly add milk, whisking until thickened.
  6. Stir in sour cream, salt, pepper, paprika, and thyme.
  7. Remove from heat and mix in 1½ cups cheddar cheese and Parmesan until melted.
  8. Combine potatoes, chicken, broccoli, and sauce in a large bowl.
  9. Transfer to baking dish, top with remaining cheese and bacon if using.
  10. Bake uncovered for 25–30 minutes until bubbly and golden.
  11. Garnish with green onions before serving.

Notes

  • Do not overcook the potatoes to avoid a mushy texture.
  • Freshly shredded cheese melts more smoothly.
  • Rotisserie chicken works well as a time-saving option.
  • Prep Time: 15 minutes
  • Cook Time: 30 minutes