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Ultimate Cheesy Chicken Potato Broccoli Casserole - Easy Family Dinner Recipe

This creamy, cheesy chicken potato broccoli casserole combines tender chicken, hearty potatoes, nutritious broccoli, and a trio of melty cheeses in one perfect comfort food dish. Perfect for busy weeknights, it's a complete meal with protein, vegetables, and carbohydrates all baked to perfection with minimal effort.
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Prep Time 25 minutes
Cook Time 30 minutes
Total Time 55 minutes
Servings: 6 servings
Calories: 420
Ingredients Method Notes

Ingredients
  

Ingredients
  • 2 lbs boneless, skinless chicken breasts, cubed
  • 4 medium potatoes, peeled and diced
  • 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 cloves garlic, minced
  • 1 small onion, diced
  • 2 tbsp butter
  • 2 tbsp all-purpose flour
  • 1 tsp paprika
  • 1/2 tsp dried thyme
  • Salt and pepper to taste
  • Fresh parsley for garnish

Method
 

Instructions
  1. Preheat your oven to 375°F (190°C). Grease a 9x13 inch baking dish and set aside.
  2. In a large pot of salted boiling water, cook the diced potatoes for 8-10 minutes until just tender. Add the broccoli florets during the last 3 minutes of cooking. Drain well and set aside.
  3. In a large skillet, melt butter over medium heat. Add diced onion and cook until softened, about 3-4 minutes. Add minced garlic and cook for another minute until fragrant.
  4. Add cubed chicken to the skillet and cook until no longer pink, about 6-8 minutes. Season with paprika, thyme, salt, and pepper.
  5. Sprinkle flour over the chicken mixture and stir to combine. Cook for 1 minute to remove the raw flour taste.
  6. Gradually pour in the chicken broth and heavy cream, stirring constantly until the sauce begins to thicken. Remove from heat.
  7. Combine the chicken mixture with the cooked potatoes and broccoli in the prepared baking dish. Stir gently to distribute evenly.
  8. Top with the shredded cheddar, mozzarella, and Parmesan cheeses, spreading evenly over the entire surface.
  9. Bake for 20-25 minutes until the cheese is melted and bubbly, and the casserole is heated through.
  10. Let stand for 5 minutes before serving. Garnish with fresh parsley and enjoy!

Notes

Meal prep friendly - can be assembled up to 24 hours in advance. For extra crispy top, broil for last 2-3 minutes. Can use frozen vegetables without thawing. Gluten-free option: substitute flour with gluten-free flour or cornstarch.