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French Onion Chicken Orzo Casserole


  • Author: jennaharpereats
  • Total Time: 45 minutes
  • Yield: 4 servings
  • Diet: None

Description

A cozy casserole with caramelized onions, savory chicken, creamy orzo, and gooey cheese, perfect for family dinners and potlucks.


Ingredients

  • 2 tablespoons unsalted butter
  • 1 tablespoon olive oil
  • 2 large yellow onions, thinly sliced
  • 1 teaspoon sugar
  • 1/2 teaspoon salt (plus more to taste)
  • 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, divided
  • 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 with the olive oil over medium heat. Add onions, sugar, and salt; cook for 20–25 minutes until deeply golden and sticky. Stir in garlic for the last minute.
  2. Stir in the orzo and toast lightly for 2 minutes. Add shredded chicken, thyme, black pepper, and Worcestershire sauce if using.
  3. Pour in chicken broth and heavy cream; bring to a simmer, cover, and cook for 8–10 minutes until orzo is tender.
  4. Stir in 1 cup of mozzarella and Parmesan until melted and creamy. Preheat the oven to 375°F (190°C) and sprinkle remaining mozzarella on top.
  5. Bake uncovered for 10–15 minutes until bubbly and golden. Let rest for 5–10 minutes before serving.

Notes

For a lower-carb variant, consider recipes for creamy low-carb chicken casseroles.

  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Category: Casserole
  • Method: Baking
  • Cuisine: French