Comforting French Onion Chicken Rice Casserole

As seen in Satisfying Entrées for Every Table.

Grab some fluffy cooked rice and shredded chicken—they’re the base of this hearty dinner. Toss in a can of creamy soup and stir it all up. Layer on mozzarella, Swiss, or any cheese you love for that melty, golden top. Don’t forget those crunchy French onions last, right before it goes in the oven! A sprinkle of minced parsley freshens it up. Everything’s easy, just one pan—no mess, fast cleanup. It’s perfect for crazy-busy weekdays or when friends come by. Scoop and serve hot straight out of the oven for a cozy vibe. It comes together fast and uses regular stuff you’ve got around.

Barbara Chef
Created By Sasha
Last updated on Sat, 19 Jul 2025 16:26:12 GMT
Someone’s digging in with a fork, grabbing a tasty bite. Save Pin
Someone’s digging in with a fork, grabbing a tasty bite. | foodthingle.com

French Onion Chicken Rice Casserole is the go-to for chilly nights when comfort food is a must. Baked with juicy chicken, fluffy rice, creamy soups, stretchy cheese, and crispy fried onions, it’s an easy crowd-pleaser that brings everyone running to the table.

I dug into this dish after one long day and instantly it became a staple. Now I make it whenever weeknights get hectic or there’s a neighborhood get-together.

Delicious Ingredients

  • Chopped parsley: brightens things up for a final pop of green use flat-leaf if you can grab it
  • Salt and black pepper: toss in just enough to fit your taste
  • Garlic powder and onion powder: gives the dish a deep tasty kick fresher spices are always better
  • French fried onions: brings that irresistible crunch on top plus a punch of flavor save a handful for that last golden sprinkle
  • Mozzarella or Swiss cheese: melts beautifully for that gooey finish grab fresh blocks and shred them yourself
  • Sour cream: adds tang and extra smoothness go for the full-fat kind for the best mouthfeel
  • French onion soup: brings savory depth and balances moisture look for condensed kinds to nail the creamy texture
  • Cream of chicken soup: forms the rich creamy base low-sodium works if you want it lighter
  • Shredded rotisserie chicken: keeps prep easy and the chicken tender
  • Cooked white rice: gives the casserole its heft and soaks up all the flavors

Simple Steps

Finish and Enjoy:
Let the finished dish cool for a couple minutes out of the oven. Sprinkle on parsley for a splash of color. Dish up hot and scoop out big hearty servings. All the cheesy creamy goodness is ready to dig into.
Crispy Onion Topping:
Pull the casserole out after thirty minutes. Layer on the rest of the fried onions and slide it back in. Bake another five minutes until the topping turns perfectly golden and crunchy.
Bake:
Pop the casserole (uncovered) on the oven’s center rack. Let it go for about half an hour. Watch for bubbly sides and full cheese melt.
Spread in Your Pan:
Grease a 9x13 inch pan with oil or nonstick spray. Pour the chicken and rice mix in and spread it all the way to the corners.
Mix Everything Together:
In a big bowl toss in cooked rice, shredded chicken, both kinds of soup, sour cream, cheese, a cup of fried onions, the spices, salt, and pepper. Stir till it’s creamy and totally blended—no dry bits left.
Heat Up the Oven:
Switch your oven on to 350 degrees Fahrenheit. Let it get nice and hot so your casserole gets bubbly and baked through.
A plate filled with cheesy chicken goodness. Save Pin
A plate filled with cheesy chicken goodness. | foodthingle.com

Fried onions on top mean more than crunch—they remind me of the holidays when the house smelled savory and inviting. That classic topping turns a simple dish into something everyone craves.

Smart Storage

Stash any leftovers in a lidded container and keep them chilled for up to three days. Nuke a portion in the microwave or pop it back in the oven at 325 Fahrenheit if you want it to stay creamy. Waiting to add the fried onions finale until the last bake keeps them crispy if you’re prepping ahead.

Swap Options

Try brown rice for a nuttier bite or cooked quinoa if you want extra protein. Swap Greek yogurt for a lighter creamy touch instead of sour cream. Either mozzarella or Swiss is great, and provolone works too for a slightly different flavor. Rotisserie chicken is quick but any cooked boneless chicken fits right in.

A bowl topped with cheesy chicken and onions. Save Pin
A bowl topped with cheesy chicken and onions. | foodthingle.com

Tasty Pairings

This dish is hearty as is, but it’s awesome with a crisp salad or roasted veggies. Add some fresh rolls or crusty bread for a cozy meal. I love bringing this to potlucks and easy family meals since it disappears fast every time.

Fun Backstory

French onion flavor started in the classic French onion soup with slow-cooked onions and cheese. Here, it’s all mixed with chicken and rice for an all-American mashup that families love. Piling on fried onions gives a retro twist found in old-school comfort favorites from the 1950s and up.

Common Recipe Questions

→ Can I use brown rice instead of white?

Absolutely, toss in some cooked brown rice for a nutty taste and a little more fiber. You might need to give it more time in the oven.

→ Is rotisserie chicken recommended?

Rotisserie chicken’s super easy and delicious. But hey, if you’ve got leftover cooked chicken, shred it up and use that instead.

→ Can I make ahead and reheat?

Yup, throw it together early and just bake it when you want. Warm up extras in your oven or pop them in the microwave—they’re still tasty.

→ Are there cheese alternatives?

Switch up the cheese! Cheddar, mozzarella, Swiss, or anything that melts well will do just fine. Go with your favorite.

→ How do I prevent mushy rice?

Chill your rice first—cold, cooked rice keeps everything from getting soggy when you mix it in.

→ What pairs well on the side?

This dish goes great with roasted veggies or a bright green salad—it balances the creamy goodness nicely.

French Onion Casserole

Loads of chicken, creamy-soft rice, stretchy cheese, and crisp onions all baked together for a simple meal everyone digs.

Preparation Time
10 Minutes
Cooking Time
35 Minutes
Overall Time
45 Minutes
Created By: Sasha

Recipe Type: Main Dishes

Skill Level: Simple

Regional Style: American

Output: 6 Number of Servings (6 servings)

Special Diets: ~

What You'll Need

→ Main Components

01 2 cups chicken, cooked and pulled apart
02 2 cups white rice, cooked

→ Soups and Dairy

03 1½ cups mozzarella or Swiss cheese, shredded
04 1 can (10.5 oz) French onion soup
05 1 can (10.5 oz) creamy chicken soup
06 1 cup sour cream

→ Toppings and Seasonings

07 Chopped parsley to sprinkle on top
08 Black pepper, add as much as you want
09 Salt, add as needed
10 ½ teaspoon onion powder
11 ½ teaspoon garlic powder
12 1½ cups crispy French fried onions, split up

Steps to Follow

Step 01

Take it out of the oven and top with parsley. Dig in while it's hot.

Step 02

Toss the last half cup of French fried onions on top. Slide it back in and let it go another 5 minutes so the top gets crunchy and golden.

Step 03

Leave uncovered and bake for 30 minutes. Wait until you see those edges bubbling.

Step 04

Grab a 9×13 baking dish, give it a good oil or nonstick spray, and scoop your prepared mix into it.

Step 05

Mix chicken, cooked rice, creamy chicken soup, French onion soup, sour cream, shredded cheese, one cup of the onions, garlic and onion powders, plus a dash of salt and pepper in a big bowl until everything's mingled.

Step 06

Start off by heating your oven up to 350°F or about 175°C.

Additional Tips

  1. You'll get the best results if you chill your rice after cooking. That way, when you mix it in, things won't turn out soupy.

Essential Tools

  • Oven
  • Large mixing bowl
  • 9×13-inch baking pan

Allergen Information

Always verify ingredient labels for allergens and consult with a healthcare expert if unsure.
  • Has milk, wheat, and soy. Also, those fried onions could sneak in some gluten.

Nutrition Info (Per Serving)

These details are best used as an estimate and shouldn't replace professional health advice.
  • Calories: 375
  • Fat Content: 18 g
  • Carbohydrates: 34 g
  • Protein: 21 g