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French Onion Chicken Orzo Casserole


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  • Author: olivia
  • Total Time: 60 minutes
  • Yield: 6 servings 1x
  • Diet: None

Description

A comforting casserole that combines caramelized onions, tender chicken, and creamy orzo, topped with melted cheese, perfect for weeknight dinners.


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 (rotisserie works well)
  • 1/2 teaspoon dried thyme
  • 1/4 teaspoon black pepper
  • 2 cups low-sodium chicken broth
  • 1 cup heavy cream (or half and half for lighter option)
  • 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 or Dutch oven, melt the butter and olive oil over medium heat. Add sliced onions, sugar, and salt. Cook for 20โ€“25 minutes, stirring occasionally, until the onions are deeply golden and caramelized. Stir in the minced garlic during the last 1โ€“2 minutes.
  2. Stir in the orzo and cook for 2 minutes, allowing it to lightly toast. Add shredded chicken, thyme, pepper, and Worcestershire if using. Mix well.
  3. Add the chicken broth and cream. Bring to a gentle simmer. Reduce heat to low, cover, and let it cook for 8โ€“10 minutes, stirring occasionally, until the orzo is tender.
  4. Stir in 1 cup mozzarella and the Parmesan cheese. Mix until melted and creamy.
  5. Preheat oven to 375ยฐF (190ยฐC). Sprinkle the remaining 1/2 cup mozzarella over the top. Bake uncovered for 10โ€“15 minutes until bubbly and golden on top.
  6. Let it rest for 5โ€“10 minutes before serving. Garnish with fresh thyme or parsley if desired.

Notes

For deeper flavor, consider using balsamic glaze or Worcestershire sauce. Stir the orzo occasionally while cooking to prevent it from sticking. Add breadcrumbs on top before baking for extra crunch.

  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Category: Casserole
  • Method: Baking
  • Cuisine: French

Nutrition

  • Serving Size: 1 serving
  • Calories: 450
  • Sugar: 6g
  • Sodium: 600mg
  • Fat: 25g
  • Saturated Fat: 12g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 40g
  • Fiber: 2g
  • Protein: 25g
  • Cholesterol: 75mg