
French onion chicken and rice pulls together everything you love about comfort food in one awesome meal. Imagine gooey, cheesy goodness piled on top of soft, fluffy rice and tender pieces of chicken. It's all the toasty cozy flavor you'd get from French onion soup but with southern casserole vibes. This warm, bubbly dish really hits the spot when it's freezing outside.
I gave this a try after a chilly afternoon, and wow, everyone devoured it in minutes. Now it's our first pick anytime we want maximum coziness without all the work.
Irresistible Ingredients
- French fried onions: Give the top a crunchy and sweet finish. Just toss them on right before serving for that final wow.
- Dry onion soup mix: Packs a ton of flavor. Choose one with real dried onions to make it pop.
- Gruyere cheese: Melts super smoothly and gives a nutty, French flavor you can’t beat. Shred your own if you can, it melts way better.
- Boneless skinless chicken breast: Stays juicy and gets tender. Chop into small bits so it bakes up nicely with everything else.
- Butter: Keeps everything rich and moist. Cut into chunks and drop around the pan so it melts evenly.
- French onion soup: Brings in that deep, sweet onion hit. Grab a brand you like for best results.
- White rice: Soaks up the sauces and flavors. Long grain works best to keep it from getting mushy.
Step-by-Step Instructions
- Finish with Crunch:
- Pull off the foil and scatter those French fried onions all across the top. Slide it back into the oven for about five minutes to brown and crisp them up.
- Bake:
- Pop the dish in the oven at 350. Let it cook with the foil on for just over an hour (about 1 hour 15 minutes). Check that the rice is soft and the chicken's cooked before moving on.
- Add Cheese and Cover:
- Spread the Gruyere all over the top, but don't stir it in. Cover up tight with foil to keep in the moisture so everything cooks through.
- Add Flavor Layers:
- Shake the entire soup mix evenly over everything. This makes a tasty crust and makes every bite punchy.
- Mix and Layer the Ingredients:
- Pour in your French onion soup, then refill the can with one and a half cans of water and dump that in. Swirl the whole thing lightly so the rice gets under the liquid. Dot butter chunks all around so it melts into every corner.
- Prep the Rice and Chicken:
- First, spread the raw rice as a layer in your big baking dish. Cut chicken into cubes and lay them out on top. This way each bite gets a little of everything.

The Gruyere is what really makes this meal sing. It adds a nutty note that takes everything up a notch. We all fight over the bubbly, crunchy cheesy edges. I totally get it—those are the best bites!
Storage Tips
Let it cool all the way before stashing leftovers so the texture stays right. Pack it up tight and stick in the fridge for up to four days. Just reheat slices in the microwave or cover the whole pan in the oven at 325 till hot. Want to freeze it? After baking and cooling, wrap it in plastic and foil. It'll keep in the freezer for a couple months just fine.
Ingredient Swaps
Don't have Gruyere? No worries—Swiss or sharp white cheddar melt in just as well. Throw in shredded rotisserie chicken if you want to cut down on cooking time (it'll take about 40 minutes that way). Want to swap in brown rice? Up the liquid and let it bake longer.
Serving Ideas
Ladle it out hot and scatter extra French fried onions on top for that perfect crisp. Serve next to a simple green salad or some roasted veggies. Sometimes I toss in steamed broccoli right into the dish for a meal that covers all the bases.

Fun Origins
This dish borrows its soul from classic French onion soup—think caramelized onions and gooey cheese—and combines it with the down-home goodness of a Southern-style casserole. It’s the best of bistro and comfort, all at once.
Recipe FAQs
- → Can I swap in a different cheese?
While Gruyère delivers a special flavor, you can easily switch to mozzarella or Swiss if that's what you've got.
- → Would brown rice work here?
You can use brown rice, but you'll need to bake it longer to make sure it's cooked through and soft.
- → How can I be sure the chicken is ready?
The chicken's done with no pink in the middle and it hits 165°F when checked with a thermometer.
- → Can I get this ready in advance?
Yes, put it together the day before and keep it in the fridge. Just wait to add the crispy onions until you're ready to bake.
- → Do I have to use the fried onions?
They give great crunch and flavor, but you can trade them for toasted panko crumbs or crunchy shallots if you want.