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French Onion Chicken Orzo Casserole

French Onion Chicken Orzo Casserole


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  • Author: Kate Walton
  • Total Time: 1 hour
  • Yield: 6 servings

Description

Warm, comforting, and loaded with creamy French onion flavor, this easy casserole is the perfect cozy dinner for any night of the week. With juicy rotisserie chicken, tender orzo, and crispy fried onions on top, it’s a one-dish wonder your whole family will love. Perfect for quick dinner ideas, hearty casseroles, and creamy chicken recipes.


Ingredients

2 large yellow onions, thinly sliced

4 tablespoons unsalted butter

2 cloves garlic, minced

1 teaspoon fresh thyme leaves (or ½ tsp dried)

1 cup chicken broth

1 cup heavy cream

1 cup orzo pasta

2 cups shredded cooked chicken

1 ½ cups shredded Gruyère cheese

1 teaspoon salt

½ teaspoon black pepper

1 ½ cups crispy fried onions

2 tablespoons fresh parsley, chopped


Instructions

1. In a large skillet, melt the butter over medium heat. Add sliced onions and a pinch of salt. Cook slowly, stirring often, for 30–35 minutes until caramelized. Add garlic and thyme during the last 5 minutes.

2. While onions cook, bring a pot of salted water to a boil. Cook orzo until just al dente (about 7–8 minutes). Drain and set aside.

3. Add chicken broth and heavy cream to the caramelized onion mixture. Bring to a simmer. Stir in the Gruyère cheese until melted. Season with salt and pepper.

4. In a large bowl, combine the orzo, shredded chicken, and onion-cream sauce. Mix thoroughly.

5. Transfer the mixture to a greased 9×13-inch baking dish. Spread evenly.

6. Top with crispy fried onions and bake at 375°F for 20–25 minutes, or until golden and bubbly.

7. Garnish with fresh parsley before serving.

Notes

Use a mandoline slicer for evenly sliced onions, which helps with perfect caramelization.

Add a splash of broth when reheating leftovers to bring back the creamy texture.

For a vegetarian twist, replace chicken with sautéed mushrooms and use veggie broth.

  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Category: Dinner
  • Method: Baked
  • Cuisine: American

Nutrition

  • Serving Size: 1/6 of casserole
  • Calories: 515
  • Sugar: 4g
  • Sodium: 740mg
  • Fat: 32g
  • Saturated Fat: 18g
  • Unsaturated Fat: 12g
  • Trans Fat: 0.5g
  • Carbohydrates: 32g
  • Fiber: 2g
  • Protein: 28g
  • Cholesterol: 110mg