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Ultimate Cheesy Chicken Potato Casserole

This comforting Cheesy Chicken Potato Casserole is the perfect solution for busy weeknights when you need a satisfying family meal that comes together in one dish. Loaded with tender chicken chunks, golden potatoes, fresh broccoli florets, and smothered in creamy cheese sauce, this bake will quickly become your go-to easy weeknight dinner recipe.
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Prep Time 25 minutes
Cook Time 35 minutes
Total Time 1 hour
Servings: 6 servings
Calories: 420
Ingredients Method Notes

Ingredients
  

Ingredients
  • 2 cups cooked chicken breast, cubed
  • 4 medium potatoes, peeled and diced
  • 2 cups broccoli florets
  • 1 cup shredded cheddar cheese
  • 1 cup shredded mozzarella cheese
  • 1/2 cup grated Parmesan cheese
  • 2 tablespoons butter
  • 3 tablespoons all-purpose flour
  • 2 cups milk
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • 1/2 teaspoon paprika
  • Salt and black pepper to taste

Method
 

Instructions
  1. Prepare the Vegetables: Preheat your oven to 375°F (190°C). Peel and dice the potatoes into 1-inch cubes. Cut the broccoli into small florets. Steam or boil the potatoes and broccoli for 5-7 minutes until slightly tender but still firm. Drain thoroughly.
  2. Make the Cheese Sauce: In a medium saucepan, melt the butter over medium heat. Whisk in the flour and cook for 1 minute until golden. Gradually whisk in the milk until smooth. Cook for 3-4 minutes until thickened. Remove from heat and stir in the garlic powder, onion powder, paprika, salt, and pepper. Add 3/4 of the mixed cheeses (reserve some for topping).
  3. Assemble the Casserole: In a 9x13 inch baking dish, combine the cooked chicken, potatoes, and broccoli. Pour the cheese sauce over everything and mix gently to coat. Top with the remaining cheese mixture.
  4. Bake to Perfection: Cover with foil and bake for 20 minutes. Remove foil and bake for another 10-15 minutes until the cheese is bubbly and golden brown. Let stand for 5 minutes before serving.

Notes

For an extra creamy sauce, use whole milk and don't rush the thickening process. Assemble completely and refrigerate overnight for make-ahead convenience.