French Onion Chicken Orzo Casserole

Why Make This Recipe

French Onion Chicken Orzo Casserole is a comforting dish that combines the savory flavors of caramelized onions, tender chicken, and cheesy orzo pasta. This recipe is perfect for busy weeknights when you want something hearty yet easy to prepare. It brings the classic taste of French onion soup into a family-friendly casserole that everyone will love. Plus, it’s simple to throw together and great for leftovers!

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 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, allowing it to lightly toast. Add the 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 this casserole warm, straight from the oven. It pairs well with a simple salad or crusty bread. The cheesy goodness and rich flavors make it a satisfying main dish.

How to Store French Onion Chicken Orzo Casserole

You can store any leftovers in an airtight container in the refrigerator. It will stay fresh for about 3 to 4 days. Reheat in the microwave or in the oven until warmed through.

Tips to Make French Onion Chicken Orzo Casserole

• Use Fresh Ingredients: Fresh onions and high-quality chicken will greatly enhance the dish’s flavor.
• Adjust Seasoning: Taste as you go. You can adjust the salt, pepper, and thyme to your preference.
• Add More Veggies: Feel free to mix in other veggies like spinach or bell peppers for added nutrition.

Variation

You can make this casserole vegetarian by omitting the chicken and using vegetable broth instead of chicken broth. Add mushrooms or zucchini for added texture and flavor.

FAQs

1. Can I use other types of pasta?
   Yes, you can substitute the orzo with other small pasta shapes like ditalini or small shells. Adjust cooking times as needed.

2. Can I freeze this casserole?
   Yes, you can freeze it before baking. Just cover it tightly and store it in the freezer for up to 3 months. Bake it straight from frozen, adding extra cooking time as needed.

3. What can I use instead of heavy cream?
   You can substitute heavy cream with half-and-half or whole milk for a lighter option. The taste will be slightly different, but still delicious!

French Onion Chicken Orzo Casserole

A comforting dish combining caramelized onions, chicken, and cheesy orzo pasta, perfect for busy weeknights.

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 1 hour hr

Total Time 1 hour hr 15 minutes mins

Course Dinner, Main Course

Cuisine Comfort Food, French

Servings 6 servings

Calories 600 kcal

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 Optional for added depth

Instructions

 

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.

Add Orzo and Chicken

• Stir in the orzo and cook for 2 minutes, allowing it to lightly toast.
• Add the shredded chicken, thyme, pepper, and Worcestershire sauce 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 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.

Notes

Use fresh ingredients for enhanced flavor. Adjust the seasoning to taste and feel free to add more veggies for added nutrition. This casserole can be made vegetarian by omitting the chicken and using vegetable broth instead.

Keyword Casserole, Chicken, Comfort Food, French Onion, Orzo