When you think of comfort food, what comes to mind? Warm, cheesy, creamy goodness that feels like a hug in a dish — that’s exactly what this French Onion Chicken Orzo Casserole delivers. It’s a fusion of classic French onion soup flavors and creamy chicken casserole comfort, baked to golden perfection.
If you’re a fan of cozy, homestyle meals like creamy chicken and rice casserole or cheesy baked pasta recipes, this dish will instantly earn a spot in your recipe rotation. Ready in under an hour, it’s the perfect weeknight comfort meal.
🥘 What Is French Onion Chicken Orzo Casserole?
This dish combines the caramelized onion flavors of French onion soup with the heartiness of a cheesy chicken pasta bake. The result is a creamy, savory casserole that’s both sophisticated and satisfying.
The secret ingredient is orzo — a short-cut pasta that absorbs all that luscious sauce while staying tender. If you want to master your pasta base, learn how to cook perfect orzo pasta.
And don’t underestimate the humble onion. It not only builds flavor but also provides nutrients; see the health benefits of onions to discover why this ingredient is worth celebrating in every kitchen.

🧄 Ingredients for French Onion Chicken Orzo Casserole
To make this creamy, cheesy masterpiece, you’ll need:
- 3 cups cooked chicken – rotisserie, shredded breast, or thighs
- 1½ cups uncooked orzo pasta
- 1 (10.5 oz) can cream of chicken soup – or make your own with this homemade cream of chicken soup
- 1 cup sour cream or French onion dip
- 2½ cups chicken stock or broth
- 2 tsp onion powder and 2 tsp garlic powder
- 3 cups shredded cheddar cheese – or Gruyère for a French onion twist
- 1 (6 oz) can French fried onions, divided
🧀 Love creamy textures? Check out how to make homemade cheese sauce for casseroles and bakes.
👩🍳 Step-by-Step Instructions French Onion Chicken Orzo Casserole
- Preheat oven to 350°F (175°C).
- In a large bowl, mix soup, sour cream, broth, and seasonings.
- Add orzo, chicken, half the cheese, and fried onions.
- Pour into a baking dish, top with remaining cheese and onions.
- Bake covered for 25 minutes, then uncovered for 10–15 minutes.
- Let rest for 5 minutes before serving.
💡 Tip: Try the same base method used in creamy chicken alfredo bake for another twist on this comfort food classic.
🌿 Recipe Variations and Add-Ins
Want to mix things up? Try these ideas inspired by other Gremdo favorites:
- Vegetarian version: Swap chicken for mushrooms — see creamy mushroom pasta bake for guidance.
- Cheese swap: Use Gruyère for a rich French onion depth.
- Low-sodium version: Use homemade or unsalted broth.
- Gluten-free version: Substitute with rice or gluten-free orzo.

❄️ Make-Ahead, Freezing, and Reheating
This casserole can easily be made ahead:
- Make-ahead: Prepare and refrigerate overnight.
- Freeze: Store for up to 3 months post-bake.
- Reheat: Bake covered until warm or microwave for 2–3 minutes.
For more freezer-friendly dishes, explore meal prep casserole recipes.
🥗 Serving Suggestions French Onion Chicken Orzo Casserole
Pair this French Onion Chicken Orzo Casserole with light, fresh sides for a balanced meal:
- 🥬 Garden salad with vinaigrette
- 🥦 Roasted vegetables like asparagus or broccoli
- 🍞 Garlic bread for dipping
For more pairing inspiration, see best side dishes for casseroles.
⚖️ Nutritional Snapshot French Onion Chicken Orzo Casserole
- Calories: ~480
- Protein: 32g
- Carbs: 42g
- Fat: 21g
- Sodium: moderate

❓ Frequently Asked Questions
Q1: Can I use rice instead of orzo?
Yes, partially cook it before mixing. See creamy chicken and rice casserole for ratios.
Q2: Can I make it without canned soup?
Yes! Try a homemade base or this cream of chicken soup alternative.
Q3: Can I make it in a slow cooker?
Definitely — cook on LOW for 2–3 hours. See slow cooker chicken recipes for more ideas.
Q4: Can I freeze it before baking?
Yes. Assemble, wrap tightly, and bake from frozen for about an hour.

❤️ Final Thoughts French Onion Chicken Orzo Casserole
This French Onion Chicken Orzo Casserole brings together the comforting warmth of a cheesy chicken bake with the rich flavors of French onion soup. It’s easy, creamy, and guaranteed to satisfy.
For more family-favorite dinners like this, check out easy weeknight chicken dinners — and bring even more comfort to your table.
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French Onion Chicken Orzo Casserole – The Ultimate Comfort Food in One Pan
This French Onion Chicken Orzo Casserole is pure comfort food bliss — creamy, cheesy, and bursting with rich onion flavor. Tender chicken, perfectly cooked orzo, and melted cheese come together under a crispy layer of French fried onions. It’s a cozy, one-pan dinner that’s both easy and elegant — perfect for weeknights, family gatherings, or Sunday comfort meals.
- Total Time: 1 hour
- Yield: 6
Ingredients
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3 cups cooked chicken (rotisserie or shredded chicken breast)
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1½ cups uncooked orzo pasta
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1 (10.5 oz) can cream of chicken soup (or homemade)
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1 cup sour cream or French onion dip
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2½ cups chicken broth (low-sodium recommended)
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2 tsp onion powder
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1 tsp garlic powder
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½ tsp salt (adjust to taste)
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½ tsp black pepper
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3 cups shredded cheddar cheese (or Gruyère for extra flavor)
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1 (6 oz) can French fried onions, divided
Instructions
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Preheat oven to 350°F (175°C). Grease a 9×13-inch baking dish.
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In a large bowl, whisk together cream of chicken soup, sour cream (or French onion dip), chicken broth, and seasonings.
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Stir in uncooked orzo, shredded chicken, half of the cheese, and half of the fried onions.
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Pour mixture into the baking dish.
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Top with remaining cheese and fried onions.
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Cover the dish with foil and bake for 25 minutes.
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Uncover and bake another 10–15 minutes until bubbly and golden brown.
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Remove from oven and let rest 5–10 minutes before serving.
Notes
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Orzo tip: No need to cook orzo beforehand — it absorbs flavor directly in the oven.
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Cheese swap: Use Gruyère or Swiss cheese for a French onion twist.
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Make-ahead: Assemble up to a day in advance and refrigerate until ready to bake.
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Storage: Keeps up to 3 days in the fridge; reheat at 350°F for 15 minutes.
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Freezing: Cool completely, wrap tightly, and freeze up to 3 months.
- Prep Time: 20 minutes
- Cook Time: 40 minutes
- Category: Dinner / Main Course
- Cuisine: American / French Fusion

