French Onion Chicken Orzo Casserole

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. This casserole is not only delicious but also easy to make, making it perfect for weeknight dinners or special occasions. The creamy texture and cheesy top will have everyone coming back for seconds!

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

Directions

1. Caramelize the Onions: In a large oven-safe skillet or Dutch oven, melt the butter and olive oil over medium heat. Add the 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. Add shredded chicken, thyme, pepper, and Worcestershire sauce 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 of mozzarella and the Parmesan cheese. Mix until melted and creamy.

5. Bake the Casserole: Preheat the 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 the casserole warm, straight from the oven. It pairs well with a side salad or warmed bread. You can garnish with fresh herbs for added flavor and presentation.

How to Store French Onion Chicken Orzo Casserole

Store any leftovers in an airtight container in the refrigerator. It will keep for up to 3 days. Reheat in the oven or microwave before serving.

Tips to Make French Onion Chicken Orzo Casserole

• Use low-sodium broth to control the salt content.
• Feel free to add vegetables like spinach or mushrooms for extra nutrition.
• If you like a little kick, add red pepper flakes to the mix.

Variation

You can substitute the orzo with rice or quinoa for a different texture. For a lighter version, use half-and-half instead of heavy cream.

FAQs

Can I use different types of cheese?
Yes, you can experiment with different cheeses, such as cheddar or gouda, to give the dish a unique flavor.

Can I make this casserole ahead of time?
Absolutely! You can prepare the casserole and store it in the fridge for up to 24 hours before baking.

Is this dish freezer-friendly?
Yes, you can freeze the casserole before baking. Just thaw it in the refrigerator overnight before baking it.

French Onion Chicken Orzo Casserole

A comforting casserole that combines caramelized onions, tender orzo pasta, and juicy chicken, topped with a creamy and cheesy finish.

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 55 minutes mins

Total Time 1 hour hr 10 minutes mins

Servings: 6 servings

Course: Dinner, Main Course

Cuisine: American, Comfort Food

Calories: 550

Ingredients Method Notes

Ingredients

  

For the base

• 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)

Method

 

Preparation

1. In a large oven-safe skillet or Dutch oven, melt the butter and olive oil over medium heat.
2. Add the 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.

Combining Ingredients

1. Stir in the orzo and cook for 2 minutes.
2. Add shredded chicken, thyme, pepper, and Worcestershire sauce if using. Mix well.
3. Add the chicken broth and cream, and 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.

Baking the Casserole

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

Serving

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

Notes

Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven or microwave before serving. Use low-sodium broth to control salt content. You can add vegetables like spinach or mushrooms for extra nutrition. For a kick, add red pepper flakes.