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French Onion Chicken Orzo Casserole Recipe

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4.1 from 12 reviews

This French Onion Chicken Orzo Casserole is a creamy and comforting one-dish meal featuring caramelized onions, tender shredded chicken, and orzo pasta all baked in a savory cheesy sauce. It combines rich flavors of caramelized onions with a blend of mozzarella and Parmesan cheeses, creating a cozy dish perfect for weeknight dinners or casual gatherings.

  • Total Time: 35 minutes
  • Yield: 6 servings

Ingredients

Base Ingredients

  • 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

Main Components

  • 1 1/2 cups orzo pasta
  • 2 cups cooked shredded chicken (rotisserie works well)
  • 1/2 teaspoon dried thyme
  • 1/4 teaspoon black pepper

Liquids and Cheese

  • 2 cups low-sodium chicken broth
  • 1 cup heavy cream (or half and half for a lighter option)
  • 1 1/2 cups shredded mozzarella cheese (divided)
  • 1/2 cup grated Parmesan cheese

Optional

  • 1/2 teaspoon Worcestershire sauce or balsamic glaze for added depth

Instructions

  1. Caramelize the Onions: In a large oven-safe skillet or Dutch oven, melt the butter and olive oil over medium heat. Add the thinly sliced onions, sugar, and salt. Cook for 20 to 25 minutes, stirring occasionally, until the onions are deeply golden and caramelized. Stir in the minced garlic during the last 1 to 2 minutes to combine the flavors.
  2. Add Orzo and Chicken: Stir in the orzo pasta and cook for 2 minutes to allow it to lightly toast. Then, add the shredded chicken, dried thyme, black pepper, and Worcestershire sauce or balsamic glaze if using. Mix well to distribute the ingredients evenly.
  3. Pour in Liquids: Pour in the low-sodium chicken broth and heavy cream. Bring the mixture to a gentle simmer. Reduce the heat to low, cover the skillet, and cook for 8 to 10 minutes, stirring occasionally, until the orzo is tender and has absorbed most of the liquid.
  4. Add Cheese: Stir in 1 cup of the shredded mozzarella and all of the grated Parmesan cheese. Continue mixing until the cheeses are melted and the sauce becomes creamy and smooth.
  5. Bake the Casserole: Preheat your oven to 375°F (190°C). Sprinkle the remaining 1/2 cup mozzarella cheese evenly on top of the casserole. Bake uncovered for 10 to 15 minutes, or until the top is bubbly and golden brown.
  6. Serve: Allow the casserole to rest for 5 to 10 minutes before serving. Garnish with fresh thyme or parsley if desired for an added touch of color and flavor.

Notes

  • Using rotisserie chicken saves time and adds flavor, but you can use any cooked chicken.
  • For a lighter dish, substitute heavy cream with half and half or whole milk, though the sauce will be less rich.
  • Carefully watch the onions during caramelization to prevent burning; adjust heat as needed.
  • The casserole can be assembled in advance and baked just before serving for convenience.
  • Optional Worcestershire sauce or balsamic glaze adds depth, but can be omitted for a milder flavor.
  • Author: Olivia
  • Prep Time: 15 minutes
  • Cook Time: 20 minutes
  • Category: Casserole
  • Method: Baking
  • Cuisine: French-American

Find it online: https://iamstarved.com/french-onion-chicken-orzo-casserole-recipe/