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My French Onion Chicken Is Like The Soup, But Better
Ingredients & Substitutions
How To Make French Onion Chicken
My Recipe Tips
French Onion Chicken (Easy 30-Minute Meal) Recipe card
Serving Ideas
Recipe Reviews

My French Onion Chicken Is Like The Soup, But Better

I first got the idea for this French onion chicken when I was craving the flavor of French onion soup but needed a protein-packed main dish. So I turned it into a quick chicken dinner that still has all those cozy, cheesy, caramelized flavors, but just baked onto tender, juicy chicken breasts instead. Here’s why I love this French onion chicken recipe:

Juicy, tender chicken with caramelized onions and melty cheese – Need I say more? Trust me when I say this sauce is 1000 times better than the canned stuff, but it’s actually so simple.
Better for you ingredients – No flour, no gluten, no mystery-ingredient condensed soup! Just real food baked in one skillet. I’ve made this French onion chicken for both weeknight dinners and dinner guests, and it always disappears fast.
That cheesy topping – I tested a few combos, but Swiss melts just right without overpowering the sauce, and the parmesan adds a salty, golden crust that I love for a little contrast.

Make this French onion chicken bake with me, and don’t be surprised if those caramelized onion cravings hit every time you open the fridge.

Juicy French onion chicken drizzled with sauce.

Reader Review

More Reviews

“This recipe is amazing! It was quick and easy. I used the ovenproof pan method. The flavor was impressive! So robust and rich, without tasting greasy. We love French onion soup, and this recipe will become one of our favorites! Truly a restaurant quality dish. ” –Dottie

⭐⭐⭐⭐⭐

Ingredients & Substitutions

Here I explain the best ingredients for my French onion chicken recipe, what each one does, and substitution options. For measurements, see the recipe card.

Chicken – I used boneless skinless chicken breasts this time. Boneless chicken thighs work well, too.
Onions – I used white onions this time, but yellow or sweet are just as good. Three small ones, two medium, or 1 1/2 large onions will give you the right amount.

VARIATION: Add garlic!

Sometimes I add 2–3 cloves of minced garlic near the end of caramelizing the onions, for extra depth. Towards the end is best so that it doesn’t burn.

Unsalted Butter – The secret to rich, caramelized onions. I always use unsalted, so I can control the saltiness, especially with cheese going in later.
Fresh Thyme – Adds that herby flavor to balance out the richness. If you don’t have any, poultry seasoning works well.
Chicken Broth – I usually make chicken broth, but sometimes use bone broth for extra nutrition. If you use store-bought, choose reduced sodium, as it’ll reduce and become more intense as it cooks.
White Wine – I use this clean-ingredient brand. You can skip it and just use more broth if you’d rather not cook with wine. I’ve done it both ways!
Cheeses – I went with a combo of Swiss and parmesan cheese. The Swiss gets melty and gooey, and the parm adds a golden, salty crust on top. You can swap in provolone, gruyere, or even mozzarella cheese if that’s what you have.
Olive Oil – For searing the chicken. Any neutral cooking oil works fine.
Sea Salt & Black Pepper

Labeled recipe ingredients: Chicken breasts, onion, olive oil, butter, wine, swiss cheese, parmesan cheese, fresh Thyme, salt, and pepper.

How To Make French Onion Chicken

I have step-by-step photos here to help you visualize the recipe. For full instructions with amounts and temperatures, see the recipe card.

Season & sear the chicken. Pat the chicken dry with paper towels and season both sides with salt and pepper. Heat the oil in an oven-safe skillet over medium-high. Sear the chicken on both sides until it’s golden, then take it out and cover to keep warm.
Caramelize the onions. Turn the heat down and add the sliced onions and butter. Cook, stirring now and then, until they soften. I usually add the thyme partway through and keep cooking until the onions are rich and golden. Pour in the wine and broth, give it a stir, and simmer until caramelized.

Assemble. Add the chicken back to the skillet, flip it around to coat in all those caramelized onions, and turn off the heat. Layer the Swiss slices over the chicken, then sprinkle Parmesan on top.
Bake. Pop the French onion chicken in the oven and bake until the cheese is bubbly and golden on top.

Baked French onion chicken recipe in the skillet.

My Recipe Tips

Patience is key for the best flavor and texture. Give the onions time to caramelize!
Thinner onion slices caramelize faster. I slice them thicker when I want more texture, or thinner when I’m short on time and need them to cook quicker.
Add extra onions if you want more on top. They shrink a lot as they cook, so it never hurts to toss in a little more.
Forgot to preheat the oven? I’ve done that too. Just cover and simmer the chicken in the sauce instead. It took about 10 minutes for me.
For the juiciest French onion chicken breast, remove from heat around 162-163 degrees F. It’ll rise to 165 degrees F as it rests. I use a meat thermometer like this to check. However, when I make this dish using chicken thighs instead, I let those come to 170 degrees F, as that’s when they get tender.
Check halfway through baking in case the pan looks dry. I sometimes splash in more broth to keep the sauce nice and saucy.
Broil at the end for more flavor and texture. A minute or two makes the cheese gooey underneath with a bubbly, golden crust on top.
How to make this French onion chicken in a slow cooker: A few of you have asked me this, and it’s super easy, although personally I prefer the flavor of making this dish on the stove. For Crock Pot French onion chicken, combine the onions, wine, broth, and thyme in the slow cooker. Season the chicken breasts and place them on top. Cook for 3 hours on High or 6 hours on Low. Add the cheese and cover until melted.