French Onion Chicken Orzo Casserole

Why Make This Recipe

French Onion Chicken Orzo Casserole brings together the rich flavors of caramelized onions, juicy chicken, and creamy orzo into one comforting dish. It’s perfect for busy weeknights or when you want to impress guests with minimal effort. The combination of cheese and the savory broth makes every bite delicious and satisfying. Plus, it’s a great way to use up leftover chicken!

How to Make French Onion Chicken Orzo Casserole

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 this casserole hot, right out of the oven. It pairs nicely with a simple green salad or crusty bread. You can also sprinkle some extra cheese or herbs on top for added flavor.

How to Store French Onion Chicken Orzo Casserole

Store any leftover casserole in an airtight container in the refrigerator. It will stay fresh for about 3–4 days. You can reheat it in the microwave or in the oven until warmed through.

Tips to Make French Onion Chicken Orzo Casserole

• Stir the onions regularly to prevent sticking and burning while caramelizing.
• For a deeper flavor, consider adding a splash of white wine while cooking the onions.
• If you want a little crunch on top, broil the casserole for a few minutes after baking.

Variation

You can easily adapt this recipe by adding vegetables like spinach, mushrooms, or bell peppers. For a different protein, try shredded turkey or even sautéed sausage.

FAQs

1. Can I use frozen chicken for this recipe?
Yes, you can use frozen cooked chicken. Just ensure it is fully defrosted and shredded before adding it to the casserole.

2. Is there a vegetarian version of this casserole?
Absolutely! You can substitute shredded chicken with sautéed mushrooms or chickpeas and use vegetable broth instead of chicken broth.

3. Can I freeze French Onion Chicken Orzo Casserole?
Yes, you can freeze it before baking. Just make sure it’s in a freezer-safe container. To bake, thaw it in the fridge overnight and then bake as directed.

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