This French Onion Chicken Rice Casserole comes together in about 1 hour and does all its magic in one pot, making it a quick and easy weeknight dinner that your family will absolutely love! Seriously, it’s so versatile and comforting, just what you need after a long day!
Ingredient Breakdown
Now, let’s talk about what you’ll need for this incredible dis. These ingredients are super simple and can usually be found right in your pantry or fridge. Here’s what you’ll need:
- 4 boneless, skinless chicken breasts: I go for chicken breasts because they cook quicker and soak up all those savory flavors beautifully.
- 1 cup uncooked white rice: Regular white rice works best here, but you could totally use brown rice if you prefer (just adjust the cooking time!).
- 1 can (10.5 oz) condensed French onion soup: This is where the magic begins, the flavor base that makes this dish so delightful.
- 1 can (10.5 oz) cream of mushroom soup: Adds creaminess that takes it to the next level.
- 1 can (14.5 oz) chicken broth: This keeps everything moist and flavorful.
- 1 packet (1 oz) dry onion soup mix: So much flavor in a little packet; you won’t want to skip this one!
- 1 cup shredded mozzarella cheese: Because cheese makes everything better!
- 1 cup shredded cheddar cheese: To add a little sharpness and extra creaminess.
- 2 tablespoons unsalted butter, melted: It adds richness and a lovely browned flavor.
- Salt and pepper to taste: Just a couple pinches to season your chicken and elevate those flavors.
- Fresh parsley for garnish (optional): A little pop of color, and fresh flavor, never hurt anyone.
Feel free to get creative! You can add in your favorite veggies, swap the chicken for turkey, or even make it vegetarian by using beans instead!
How to Make This French Onion Chicken Rice Casserole
Let’s get cookin’, shall we? This part is super simple, and I’m going to walk you through it step-by-step.
Preheat your oven: Start by preheating your oven to 350°F (175°C). You’ll want that ready for when we pop the casserole in!
Prepare the rice mixture: In a large mixing bowl, combine the uncooked rice, French onion soup, cream of mushroom soup, and chicken broth. Use a spatula to stir until everything is well combined, and don’t forget to scrape the yummy bits off the bottom.
Layer the baking dish: Pour half of the soup and rice mixture into a 9×13 inch baking dish, spreading it evenly across the bottom, this will act as the flavorful bed for our chicken!
Season the chicken: Now take your chicken breasts, and season them with a couple pinches of salt and pepper to taste. Lay them directly on top of that comforting rice layer in the dish.
Pour on the remaining mixture: Next, pour the remaining soup and rice mixture over the chicken, making sure it’s completely covered. We want our chicken to absorb all those fantastic flavors!
Sprinkle the onion soup mix: Evenly sprinkle the dry onion soup mix over the top of the casserole. It gives this dish that extra punch of onion flavor that everyone loves!
Cover and bake: Cover the baking dish with aluminum foil and pop it in the preheated oven. Bake for 1 hour to let all those flavors meld together beautifully.
Add the cheese: After 1 hour, carefully remove the foil (watch out for that steam!). Sprinkle the mozzarella and cheddar cheeses over the casserole. It’s about to get cheesy!
Final bake: Return the casserole to the oven, uncovered, and let it bake for another 10-15 minutes, or until the cheese is bubbly and golden brown. Oh, the smell will be heavenly!
Cool and serve: Once it’s done, let the casserole cool for a few minutes before diving in. Garnish with freshly chopped parsley for that visual appeal, totally optional but recommended!
That’s it! You’ve just made a comforting and delicious French Onion Chicken Rice Casserole that’s bound to be a hit at your dinner table!
If you loved this recipe, be sure to check out my Corn Chicken Rice Bowl or my Big Mac Rice Paper Rolls!

Why This Recipe Works
Quick & Easy
One of the best things about this French Onion Chicken Rice Casserole is that it comes together in under an hour! Perfect for busy weeknights when you need food on the table fast.
One Pot Meal
It’s a one-pot dish, so you’ll have minimal cleanup afterward. Trust me, I love recipes that leave me more time to relax and spend time with my family!
Customizable
One of my favorite aspects of this casserole is its customizability. Whether it’s a different protein, or adding in veggies you need to use up, you can make it your own without any issue!
Comfort Food
This dish is just oozing with comfort food vibes. The creamy texture and rich flavors just hug your belly, and let’s be real, everyone could use a little more of that in their lives!
Budget-Friendly
Not to mention, it’s budget-friendly! Most of these ingredients are things you might already have at home or can get at your local grocery store without breaking the bank!
Serving and Storage Tips
How to Serve This Casserole
This French Onion Chicken Rice Casserole is great on its own, but if you want to zhuzh it up a bit, why not serve it with a simple side salad or some roasted veggies? A nice green salad with a tangy vinaigrette pairs exceptionally well with the richness of the dish!
Storing Leftovers
You can keep any leftovers in an airtight container in the refrigerator for about 3-4 days. Just be sure to let it cool before sealing it up so you don’t trap in condensation!
Reheating Instructions
When you’re ready to enjoy it again, you can gently reheat it in a 350°F (175°C) oven for about 15-20 minutes until heated through. Cover with foil to avoid the cheese getting too brown if you’re concerned.
Freezer Friendly
This casserole is freezer-friendly, too! You can freeze it before baking (just wrap it tightly) or afterward in an airtight container. It should keep well for about 2-3 months. Just thaw it overnight in the fridge before baking!
Food is truly about bringing people together, and this French Onion Chicken Rice Casserole does just that. It’s all about that warm, comforting feeling as you gather around the table, and I can’t wait for you to make it. Trust me, you’ll want to keep this recipe close at hand because it’s going to become a household favorite, just like it is in mine
Happy cooking! And follow us on Pinterest for daily inspiration that brings warmth to your table!

French Onion Chicken Rice Casserole
Ingredients
Method
- Preheat your oven to 350°F (175°C).
- In a large mixing bowl, combine the uncooked rice, French onion soup, cream of mushroom soup, and chicken broth. Stir until well combined.
- Pour half of the soup and rice mixture into a 9×13 inch baking dish, spreading it evenly.
- Season the chicken breasts with salt and pepper, and layer them on top of the rice mixture.
- Pour the remaining soup and rice mixture over the chicken.
- Sprinkle the dry onion soup mix evenly over the top.
- Cover the baking dish with aluminum foil and bake for 1 hour.
- After 1 hour, remove the foil and sprinkle mozzarella and cheddar cheeses over the casserole.
- Return the casserole to the oven, uncovered, and bake for another 10-15 minutes, or until the cheese is bubbly and golden brown.
- Let the casserole cool for a few minutes before serving. Garnish with freshly chopped parsley if desired.