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Ultimate Loaded Potato Ranch Chicken Casserole: Easy Family Dinner

This loaded potato ranch chicken casserole combines tender chicken, creamy ranch seasoning, golden potatoes, and melted cheese for a complete comfort meal. Perfect for busy weeknights or feeding a crowd, it delivers maximum flavor with minimal effort.
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Prep Time 20 minutes
Cook Time 50 minutes
Total Time 1 hour 10 minutes
Servings: 6 servings
Calories: 485
Ingredients Method Notes

Ingredients
  

Ingredients
  • 2 lbs boneless, skinless chicken breasts, cubed
  • 6 medium potatoes, peeled and diced into ½-inch cubes
  • 1 packet ranch seasoning mix
  • 1 cup sour cream
  • 1 cup chicken broth
  • 2 cups shredded cheddar cheese, divided
  • 1 cup shredded mozzarella cheese
  • ½ cup chopped green onions
  • 1 cup crispy fried onions for topping
  • 2 tablespoons olive oil
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • Salt and black pepper to taste

Method
 

Instructions
  1. Preheat your oven to 375°F (190°C). In a large mixing bowl, toss the diced potatoes with olive oil, garlic powder, onion powder, salt, and pepper. Spread them evenly on a baking sheet and bake for 15 minutes to partially cook. Meanwhile, season the cubed chicken with salt and pepper.
  2. In a separate bowl, whisk together the ranch seasoning, sour cream, and chicken broth until smooth. Stir in 1½ cups of the cheddar cheese and all of the mozzarella cheese.
  3. Lightly grease a 9x13 inch baking dish. Spread the partially cooked potatoes evenly on the bottom. Top with the seasoned chicken cubes. Pour the creamy ranch mixture over everything, making sure to coat all ingredients evenly. Sprinkle the remaining ½ cup of cheddar cheese on top.
  4. Cover the casserole with foil and bake for 30 minutes. Remove the foil and bake for an additional 15-20 minutes, or until the potatoes are tender and the chicken is cooked through. During the last 5 minutes of baking, sprinkle the crispy fried onions and chopped green onions over the top.
  5. Let the casserole rest for 5-10 minutes before serving. Garnish with additional green onions if desired.

Notes

Make ahead magic: Assemble up to 24 hours in advance and refrigerate, adding 10-15 minutes to cooking time. For best texture, ensure potato cubes are all roughly the same size. Russet potatoes work beautifully for fluffy texture, but Yukon Gold add extra creaminess.