Why Make This Recipe

French Onion Chicken Orzo Casserole is a comforting dish that combines the rich flavors of caramelized onions with tender orzo pasta and juicy chicken. It’s creamy, cheesy, and sure to please the entire family. This casserole is perfect for a weeknight dinner and is easy to make ahead of time. The blend of flavors brings a taste of classic French onion soup into a hearty main dish, making it both satisfying and delightful.

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 a 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:

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.
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.
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.
Add Cheese: Stir in 1 cup of mozzarella and the Parmesan cheese. Mix until melted and creamy.
Bake the Casserole: Preheat the oven to 375°F (190°C). Sprinkle the remaining 1/2 cup of mozzarella over the top. Bake uncovered for 10–15 minutes until bubbly and golden on top.
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 delicious casserole hot from the oven. It pairs nicely with a simple green salad or steamed vegetables for a balanced meal. You can add a sprinkle of fresh herbs on top for a colorful touch. This dish is delightful on its own or with a side of crusty bread.

How to Store French Onion Chicken Orzo Casserole

If you have leftovers, allow them to cool completely. Store the casserole in an airtight container in the refrigerator for up to 3 days. To reheat, simply warm it in the oven at 350°F (175°C) until heated through, or microwave individual portions.

Tips to Make French Onion Chicken Orzo Casserole

For extra flavor, try using homemade chicken broth instead of store-bought.
Don’t rush the caramelization of the onions; it adds a depth of sweetness that enhances the dish.
Feel free to add some veggies, like mushrooms or spinach, for extra nutrition.

Variation

You can easily make this recipe vegetarian by swapping the chicken for a hearty vegetable mix and using vegetable broth instead. For a spicier kick, add some crushed red pepper flakes.

FAQs

1. Can I use uncooked chicken instead of rotisserie chicken?
Yes, but you will need to cook the chicken first before shredding it and adding it to the casserole.

2. Can I make this casserole ahead of time?
Absolutely! Prepare it in advance and store it covered in the fridge. When ready, bake it straight from the fridge, adding a few extra minutes to the baking time.

3. Can I freeze leftovers?
Yes, you can freeze leftovers. Just make sure to store them in a freezer-safe container. To reheat, thaw overnight in the fridge and then bake as directed.