French Onion Chicken takes everything you love about French onion soup, including sweet caramelized onions, rich broth, and melted cheese, and turns it into an easy one-pan dinner. It's cozy, deeply savory, and simple enough for a weeknight, especially when you want something that feels a little more special without much extra work. If you love French onion-inspired dinners like this French Onion Pasta, this chicken recipe is another one worth keeping in rotation.
French Onion Chicken At A Glance
- 🕒 Total Time: 1 hour 10 minutes
- 🍽️ Servings: 4
- 🌍 Cuisine Type: French-inspired / comfort food
- 🧅 Flavor Profile: Rich, savory, onion-forward, and deeply comforting with sweet caramelized onions, beefy broth, thyme, and melted Gruyère
- 🥄 Texture: Tender chicken cutlets topped with silky onions and gooey melted cheese
- 🌾 Dietary Info: Gluten-free
- 🍳 Cooking Method: Stovetop + broiler
- 🧊 Storage Notes: Leftovers keep well in the refrigerator for up to 3 days; the onions can also be made a day ahead
- ⭐ What Makes This Special: All the flavor of French onion soup in a hearty, gluten-free one-pan chicken dinner
Save And Summarize This Recipe
What makes this French onion chicken so satisfying is the way a handful of simple ingredients build real depth of flavor. As the onions slowly cook down, they become sweet, jammy, and richly savory, which gives the whole dish that classic French onion flavor without needing a long ingredient list. If you enjoy cozy dinners with that same rich, savory feel, recipes like Chicken Marsala or Italian sausage pasta are just as satisfying when you're in the mood for comfort food.
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Because this dish is rich and cheesy, it pairs especially well with sides that either soak up the sauce or bring a little freshness to the plate. Serve it with Garlic Smashed Potatoes for a more comforting dinner, or add something lighter like Blistered Green Beans or a Asparagus Salad to balance out the richness. It's the kind of meal that feels complete with very little else on the table.
Key Ingredients
You will need the following ingredients to make this french onion chicken bake:
- Beef Bouillon Paste - I alway have Better Than Bouillon in the house and it is my go-to for broths and stocks. I tested and used this paste to make the beef broth in this recipe as well. You can buy a pre-made beef broth but I didn't want to spend the extra money if the bouillon worked well, which it did.
- Flour - I use a gluten-free all-purpose flour in this recipe. I did test this with regular all-purpose flour, which works just fine.
- Chicken - I chose cutlets, which cook fast. You can substitute chicken breasts or even boneless chicken thighs in this recipe. The time it takes to cook will need to be adjusted so the chicken is cooked through. I also use chicken cutlets in the Chicken Milanese to make a fast chicken dinner.
See the recipe card for quantities.
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Variations
- Mushrooms - I love mushrooms! If you have some and want to add it into this recipe, slice the mushrooms thin and saute them once you remove the onions from the skillet. Add 2 teaspoons of extra olive oil and saute until they are golden brown. Remove them from the skillet and set aside before cooking the chicken.
- Bacon - Another natural pairing for this recipe. Slice your bacon into small pieces and just like the mushrooms, saute the bacon in the same skillet once you remove the onions. Add the cooked bacon to the onion mixture before topping the chicken.
- Vegetables - If you would like to add some veggies and make this a one pan meal, I suggest adding in some spinach at the end and wilt it around the chicken.
How To Make This French Onion Chicken Recipe: Step-By-Step
Here are some quick visual instructions. Remember that full instructions with the exact ingredients are in the printable recipe card:
Step 1: Melt the butter in a skillet. Add the onions, thyme, and pepper. Cook until the onions are translucent and then add broth. Continue cooking until the onions are soft. Add in the sugar and continue cooking until the onions brown. Remove and set aside.
Step 2: Season the chicken and coat in flour. Working in batches, add the chicken to the pan with the olive oil and cook about 3 minutes a side. Set the chicken aside.
Step 3: Add the sherry to the skillet and simmer for a couple of minutes. Then add the broth and bouillon. Cook until the sauce is slightly thickened.
Step 4: Add the chicken back to the skillet, top with the onions and cheese. Broil until the cheese is melted and golden brown.
Recipe Tips
- Use a cast iron skillet or another heavy-bottomed pan for the best results. I use either a Staub skillet or a cast-iron pan for this recipe.
- Wipe the pan out after removing the onions. You don't really need to wash the pan but you can rinse it if you prefer.
Gwen's Pro Tip
The onions take time to caramelize. Use the "low and slow method" and don't get impatient. The onions will start turning brown but it could take up to 20 minutes.
French Onion Chicken FAQ's
Yes! You will need to adjust the cooking time. Chicken breasts take longer to cook all the way through.
Can I prepare the onions or chicken ahead of time?
Yes. You can prepare the onions up to a day in advance. Store them in an airtight container in the refrigerator. The chicken I would prepare the day you are making this dish so you can take advantage of scraping up the browned bits into the sauce for added flavor.
More Chicken Dinners
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Thank you!
Gwen
French Onion Chicken
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Equipment
- 1 large skillet preferably cast iron
Ingredients
- 3 tablespoons unsalted butter
- 1 ½ pounds yellow onions about 3 medium, sliced thin, about 6 cups
- 2 teaspoons fresh thyme leaves divided
- ½ teaspoon ground black pepper divided
- ½ teaspoon sugar
- 1 ¾ cups beef broth divided
- 16 ounces chicken cutlets not chicken breasts, about 4 cutlets
- ⅓ cup gluten-free all-purpose flour
- 2 teaspoons onion powder
- ½ teaspoon kosher salt
- 1 tablespoon olive oil
- ¼ cup dry sherry
- 1 tablespoon beef bouillon paste
- 4 ounces Gruyere cheese shredded, about 1 cup
- 2 ounces Parmesan cheese grated or shredded, about ½ cup
Instructions
- Heat the butter in a large cast-iron skillet over medium heat until melted.3 tablespoons unsalted butter
- Stir in the onions, 1 teaspoon of the thyme, and ¼ teaspoon of the pepper.1 ½ pounds yellow onions, 2 teaspoons fresh thyme leaves, ½ teaspoon ground black pepper
- Cook, stirring occasionally, until the onions are translucent, about 4 minutes.
- Stir in ½ cup of broth and bring it to a boil over medium-high heat. Reduce the heat to medium-low and cover. Cook, stirring occasionally, until the onions are soft, about 15-18 minutes.1 ¾ cups beef broth
- Sprinkle with the sugar and continue to cook over medium-high heat, uncovered. Stir often until the edges are light browned. About 4-5 minutes.½ teaspoon sugar
- Transfer the onions to a plate, wipe out the skillet or rinse and wipe until the skillet is clean.
- Season the chicken with the onion powder, salt, thyme, and pepper.16 ounces chicken cutlets, 2 teaspoons onion powder, ½ teaspoon kosher salt, 1 tablespoon olive oil
- Place the flour in a shallow dish. Dredge the chicken on both sides, shaking off the excess. Place on a separate plate.⅓ cup gluten-free all-purpose flour
- Heat oil in the clean skillet over medium heat.
- Working in two batches, add 2 chicken cutlets to the skillet. Cook, turning halfway through, until golden brown, about 5-6 minutes total per batch. Transfer to a clean plate and repeat with the remaining 2 cutlets.
- Preheat the oven to broil with the top rack 5 inches from the broiler.
- Add sherry to the skillet and scrape up any browned bits.¼ cup dry sherry
- Simmer until slightly reduced, about 2 minutes.
- Stir in the remaining 1 ¼ cups of the broth and add the bouillon paste to the skillet. Cook, stirring often until the sauce thickens slightly, about 4 minutes.1 tablespoon beef bouillon paste
- Add the chicken into the sauce.
- Top each piece of chicken with ½ cup of the onions, ¼ cup of the Gruyere, and 2 tbsps of Parmesan cheese.4 ounces Gruyere cheese, 2 ounces Parmesan cheese
- Broil until the cheese is melted and lightly golden brown, about 3 minutes.
- Garnish with black pepper and fresh thyme leaves.
Gwen Wolken says
A delicious dinner!