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French Onion Chicken Orzo Casserole

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A comforting casserole that combines the rich flavors of French onion soup with tender chicken and creamy orzo, topped with melty cheese.

  • Total Time: 55 minutes
  • Yield: 6 servings 1x

Ingredients

Scale
  • 2 tablespoons unsalted butter
  • 1 tablespoon olive oil
  • 2 large yellow onions, thinly sliced
  • 1 teaspoon sugar
  • 1/2 teaspoon salt
  • 3 garlic cloves, minced
  • 1 1/2 cups orzo pasta
  • 2 cups cooked shredded chicken
  • 1/2 teaspoon dried thyme
  • 1/4 teaspoon black pepper
  • 2 cups low-sodium chicken broth
  • 1 cup heavy cream
  • 1 1/2 cups shredded mozzarella cheese
  • 1/2 cup grated Parmesan cheese
  • Optional: 1/2 teaspoon Worcestershire sauce or balsamic glaze

Instructions

  1. In a large oven-safe skillet, melt the butter and olive oil over medium heat. Add sliced onions, sugar, and salt. Cook for 20–25 minutes until golden, stirring occasionally.
  2. Add minced garlic in the last 1–2 minutes of cooking.
  3. Stir in orzo and toast for 2 minutes.
  4. Mix in shredded chicken, dried thyme, black pepper, and Worcestershire sauce if using.
  5. Add chicken broth and cream; bring to a simmer. Cover and cook for 8–10 minutes, stirring occasionally.
  6. Stir in 1 cup of mozzarella and Parmesan until melted and sauce is creamy.
  7. Preheat oven to 375°F (190°C). Sprinkle remaining mozzarella on top and bake for 10–15 minutes until bubbly and golden brown.
  8. Let rest for 5-10 minutes before serving.

Notes

For a lighter option, replace heavy cream with half and half.

  • Author: alison
  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Category: Main Course
  • Method: Baking
  • Cuisine: French
  • Diet: Optional Vegetarian

Nutrition

  • Serving Size: 1 serving
  • Calories: 400
  • Sugar: 6g
  • Sodium: 450mg
  • Fat: 20g
  • Saturated Fat: 10g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 35g
  • Fiber: 1g
  • Protein: 25g
  • Cholesterol: 90mg