French onion chicken orzo casserole topped with melted cheese and herbs

French Onion Chicken Orzo Casserole

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why make this recipe

This dish tastes like classic French onion soup but as a warm, creamy casserole. It uses simple pantry items and cooked chicken. It cooks fairly fast and feeds a family. It is cozy, cheesy, and full of onion flavor.

introduction

French Onion Chicken Orzo Casserole combines sweet caramelized onions, tender orzo, and shredded chicken in a creamy cheese sauce. The orzo soaks up the broth and cream, while mozzarella and Parmesan add melty richness. This is an easy weeknight meal that feels special.

how to make French Onion Chicken Orzo Casserole

Follow these clear steps. Work in order and use an oven-safe skillet or Dutch oven if you will bake it at the end.

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)
  • 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 (for added depth)

Directions :

  1. Caramelize the Onions

    • 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 20–25 minutes, stirring occasionally, until the onions are deeply golden and caramelized. Stir in the minced garlic during the last 1–2 minutes.

  2. Add Orzo and Chicken

    • 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. Pour in Liquids

    • Add the chicken broth and cream. Bring to a gentle simmer. Reduce heat to low, cover, and let it cook for 8–10 minutes, stirring occasionally, until the orzo is tender.

  4. Add Cheese

    • Stir in 1 cup mozzarella and the Parmesan cheese. Mix until melted and creamy.

  5. Bake the Casserole

    • Preheat oven to 375°F (190°C). Sprinkle the remaining 1/2 cup mozzarella over the top. Bake uncovered for 10–15 minutes until bubbly and golden on top.

  6. Serve

    • Let it rest for 5–10 minutes before serving. Garnish with fresh thyme or parsley if desired.

how to serve French Onion Chicken Orzo Casserole

Serve warm. A simple green salad or steamed vegetables balance the richness. Add crusty bread to soak up any sauce. A light drizzle of balsamic glaze or extra fresh thyme on top gives a nice finish.

how to store French Onion Chicken Orzo Casserole

Cool to room temperature, then cover and refrigerate up to 3–4 days. Reheat in a 350°F oven until warmed through, about 15–20 minutes, or in a microwave in short bursts. For longer storage, freeze in an airtight container up to 2 months. Thaw overnight in the fridge before reheating.

tips to make French Onion Chicken Orzo Casserole

  • Caramelize onions slowly for best flavor. Don’t rush them.
  • Use rotisserie chicken to save time.
  • Stir the orzo while it cooks to prevent sticking.
  • If the casserole seems dry before the orzo is done, add a little more broth or cream.
  • Use half and half to lighten the dish, or heavy cream for richer sauce.
  • Let it rest after baking so it firms up and is easier to serve.

variation (if any)

  • Add mushrooms with the onions for more depth.
  • Swap mozzarella for Gruyère for a stronger, nutty flavor.
  • Use turkey instead of chicken.
  • Add fresh spinach at the end for color and nutrition.

FAQs

Q: Can I use frozen orzo?
A: Orzo is usually sold dry. If you have frozen cooked orzo, reduce the cooking time and watch texture carefully.

Q: Do I have to bake it at the end?
A: No. You can skip the oven step. Stir in the final cheese and serve from the stovetop, but the bake gives a golden top.

Q: Can I make this dairy-free?
A: Use dairy-free butter, a non-dairy cream alternative, and a plant-based cheese. Texture and flavor will differ.

Q: How do I prevent the orzo from becoming mushy?
A: Follow the liquid amounts and check orzo for doneness at 8 minutes. It should be tender but not overcooked.

Conclusion

For more ideas and similar recipes, see this version of French Onion Chicken Orzo Casserole (https://theferventmama.com/french-onion-chicken-orzo-casserole/), a slow-cooker take like Crockpot Creamy French Onion Chicken and Orzo – Half Baked option (https://www.halfbakedharvest.com/french-onion-chicken-and-orzo/), and a twist with Gruyère at Spinach and Bacon (https://spinachandbacon.com/2024/01/18/french-onion-chicken-and-orzo/).

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