French Onion Chicken Orzo Casserole

why make this recipe

French Onion Chicken Orzo Casserole is a comforting and delicious dish that combines the rich flavors of French onion soup with tender orzo pasta and juicy chicken. It’s perfect for family dinners, potlucks, or any gathering. This one-pan meal means less cleanup and more time to enjoy your food. Plus, it is a great way to make use of leftover chicken, making it both economical and satisfying.

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

This casserole is best served warm, straight from the oven. Pair it with a simple green salad or some crusty bread to soak up the creamy sauce. It can be a delightful main dish on its own, delighting everyone around your table.

how to store French Onion Chicken Orzo Casserole

If you have leftovers, store them in an airtight container in the refrigerator. This casserole can be kept for about 3 to 4 days. When ready to eat, simply reheat in the microwave or oven until it’s warmed through.

tips to make French Onion Chicken Orzo Casserole

• For the best flavor, take your time while caramelizing the onions.
• Feel free to mix different cheeses for a unique taste.
• If you like a bit of spice, add red pepper flakes when stirring in the chicken.

variation

You can customize this casserole by adding vegetables like spinach, mushrooms, or bell peppers. Just sauté them along with the onions to infuse more flavor into the dish.

FAQs

Can I use another type of pasta?

Yes, you can substitute orzo with any small pasta, but cooking times may vary.

Can this recipe be made ahead of time?

Absolutely! Prepare it up to the baking step, cover it, and store it in the fridge. Bake it right before you’re ready to serve.

Can I use frozen chicken?

Using rotisserie or pre-cooked chicken is recommended for convenience. If you want to use frozen chicken, make sure to cook it fully before shredding.

French Onion Chicken Orzo Casserole

A comforting dish that combines the rich flavors of French onion soup with tender orzo pasta and juicy chicken, perfect for family gatherings.

Print Recipe Pin Recipe

Prep Time 25 minutes mins

Cook Time 30 minutes mins

Total Time 55 minutes mins

Servings: 6 servings

Course: Dinner, Main Course

Cuisine: Comfort Food, French

Calories: 500

Ingredients Method Notes

Ingredients

  

For the Casserole

• 2 tablespoons unsalted butter
• 1 tablespoon olive oil
• 2 large yellow onions (thinly sliced)
• 1 teaspoon sugar
• 1/2 teaspoon salt
• 3 cloves garlic (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
• 1/2 teaspoon Worcestershire sauce or balsamic glaze (optional for added depth)

Method

 

Preparation

1. In a large oven-safe skillet or Dutch oven, melt the butter and olive oil over medium heat.
2. Add sliced onions, sugar, and salt. Cook for 20–25 minutes, stirring occasionally, until the onions are deeply golden and caramelized.
3. Stir in the minced garlic during the last 1–2 minutes.

Cooking

1. Stir in the orzo and cook for 2 minutes, allowing it to lightly toast.
2. Add shredded chicken, thyme, pepper, and Worcestershire sauce if using. Mix well.
3. Add the chicken broth and cream. Bring to a gentle simmer.
4. Reduce heat to low, cover, and let it cook for 8–10 minutes, stirring occasionally, until the orzo is tender.
5. Stir in 1 cup of mozzarella and the Parmesan cheese. Mix until melted and creamy.

Baking

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

Serving

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

Notes

This casserole is best served warm, straight from the oven. Pair it with a simple green salad or some crusty bread to soak up the creamy sauce. For the best flavor, take your time while caramelizing the onions. Feel free to mix different cheeses for a unique taste. If you like a bit of spice, add red pepper flakes when stirring in the chicken.