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    Home » Recipes » Chicken » French Onion Soup Chicken Bake

    Published: Sep 29, 2021 · Modified: Nov 5, 2022 by Sarah Baumeister · This post may contain affiliate links · 4 Comments

    French Onion Soup Chicken Bake

    Jump to Recipe Print Recipe

    French onion soup is one of my favorite soups of all time so I thought why not create a dish around it? French onion soup with chicken baked until juicy and tender?! Sounds like a match made in heaven. With French Onion Soup Chicken, now there can be more than one meal centered around those oodles of sweet and gooey onions. This dish is basically French onion soup with less broth and more protein. It goes great with crusty bread or mashed potatoes. And takes about half the time that traditional French onion soup can take!

    french onion chicken in a cast iron skillet up close on one chicken breast
    french onion chicken

    Now don’t get me wrong--there’s really no cutting corners when you’re caramelizing onions. You need time and patience to make sure that they brown and don’t burn, so their sweetness can really shine through. But because you’re using less of them and there’s only a little broth, this dish takes about an hour to make instead of two.


    This recipe may take some time but it’s simple ingredients and rich flavor makes it totally worth it.

    If you love this dish, I think you will equally love my french onion soup meatballs or Instant Pot French Onion Soup-- both are french onion inspired soup recipes.

    Why make this chicken in the cast iron skillet?

    I love making this in my cast-iron skillet because it’s so easy to go from stovetop to oven. And every time you use a cast-iron skillet you are seasoning it with more flavor. What better way to do that than with caramelized onions? The onions brown beautifully in the cast iron. It allows them to really brown and cook down in a way that nonstick never could. Plus there's the added bonus of being able to pop the whole things straight into the oven, making this a one pan french onion chicken bake.

    If you don't have a cast iron skillet, a large, oven-safe saute pan will do the trick. Just make sure it is deep enough to hold the chicken with onions. Before the onions cook down, they take up a good deal of space.

    Ingredients

    • onions
    • butter
    • salt
    • beef stock or beef broth
    • chicken breasts
    • Gruyere cheese or Swiss cheese
    French onion chicken in a cast iron skillet

    Instructions for French Onion Chicken Recipe

    • Heat an oven safe large skillet over medium heat to melt butter.
    • Add in sliced onions and cook down until they are brown and soft, 15-20 minutes. Add salt.
    • Preheat oven to 400 degrees.
    • Remove onions to a side bowl, and add in chicken. Cook until they are golden brown, about 5 minutes on each side. Don't worry if the inside isn't fully cooked, they will finish in the oven.
    • Take browned chicken breasts out, and put onions back in. Add beef stock, and allow some of the liquid to cook off and for the flavors to mingle. Cook for about 5 minutes.
    • Add chicken back in, nestling it among the onions. Top chicken and onions with cheese, and place in preheated oven.
    • Cook for 10 minutes, or until the cheese is brown and bubbly.
    onion chicken side shot with lodge logo visible on the cast iron skillet
    french onion soup chicken

    Top Tip

    It can be tempting to stand over the onions and try to keep stirring them-- don't. Allow them time in between stirs to really get some color on them. That is going to lead to the best caramelization, color, and flavor! I keep the heat on medium to medium-low and leave 5 minutes (at least) between stirs.

    Looking to deepen the flavor of the onion soup even further?

    Try one of two ways!

    • Add in a few shakes of dried spices like garlic powder or onion powder.
    • Add a tablespoon of onion soup mix like lipton soup mix or simply organic brand onion dip blend.

    What to serve with onion chicken

    This onion soup chicken is delicious (obviously) and it is also very versatile and you can serve it with pretty much anything. I love it especially with any of the following.

    • jasmine or basmati rice (try this simple Instant Pot Rice Pilaf)
    • a bed of creamy mashed potatoes
    • wide butter noodles (like No-yolks brand)
    overhead shot with four chicken breasts in a black cast iron skillet on a white wooden table.
    french onion chicken

    Storage

    This onion soup chicken can be stored one of two ways. You can simply put together the caramelized onions and keep in them in an airtight container in the fridge for a 3-4 days OR you can make the entire dish and keep it in the fridge from 1-2 days.

    The onions are what take the longest here, so if you want to do something ahead, I suggest that step!

    Looking for more delicious skillet dinner recipes?

    • pork tenderloin cream sauce featured
      Cast Iron Pork Tenderloin with Shallot Cream Sauce
    • chicken shallot sauce featured
      Shallot Sauce for Chicken
    • Cheesy Leeks and Potatoes Au Gratin
    • chicken dish plated with broccoli
      Cast Iron Chicken Thighs with Garlic

    I also also some great chicken and onion recipes like this chicken pasta dish or this sheet pan greek chicken bake.

    french onion soup chicken featured

    French Onion Soup Chicken

    Sarah Baumeister
    Onion Soup Chicken takes classic and make it new! French Onion soup is always a favorite and chicken elevates the protein without sacrificing any flavor.
    5 from 1 vote
    Print Recipe Pin Recipe
    Prep Time 10 minutes mins
    Cook Time 50 minutes mins
    Course dinner
    Cuisine American, French
    Servings 4 people
    Calories 423 kcal

    Ingredients
      

    • 4 cups onions sliced
    • 4 tbsp. butter
    • 1 tsp. salt
    • 2 cups beef stock unsalted
    • 1 lb. chicken breasts thinly sliced
    • 4 oz. Gruyere or Swiss cheese shredded

    Instructions
     

    • In an oven safe skillet, melt butter over medium heat.
    • Add in sliced onions and cook down until they are brown and soft, 15-20 minutes. Add salt.
    • Preheat oven to 400 degrees.
    • Remove onions to a side bowl, and add in chicken. Cook until brown, about 5 minutes on each side.
    • Take cooked chicken breasts out, and put onions back in. Add beef stock, and allow to cook off some of the liquid and for the flavors to mingle. Cook for about 5 minutes.
    • Add chicken back in, nestling it among the onions. Top chicken with cheese, and place in preheated oven.
    • Cook for 10 minutes, or until the cheese is brown and bubbly.

    Nutrition

    Calories: 423kcal
    Tried this recipe?Let us know how it was!

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    Reader Interactions

    Comments

    1. joanne says

      January 08, 2020 at 2:46 am

      one of the. most delicious soups now with chicken. just want. to. know. which onion to. cook

      Reply
      • Sarah says

        January 08, 2020 at 3:06 am

        I usually use regular yellow onions, but sweet vidalia would be delicious too!

        Reply
    2. Kerri says

      June 17, 2022 at 12:49 pm

      5 stars
      This is EXACTLY what I was looking for. I'm making this tonight and will come back here to leave a review.
      Looking at this made my mouth water! All of the French onion goodness with chicken. OMG yum!

      Reply
      • Sarah says

        June 20, 2022 at 7:23 pm

        I am so glad! I hope you all enjoyed! -Sarah

        Reply

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    Hi, I'm Sarah! I am a wife, mother, and believer. I have been cooking since I could stand and am excited to share my love for being in the kitchen with all of you. You will find a variety of recipes here from healthy family dinners, to ways to prepare venison, to soups, to baked goods, we love it all!

    Learn more about me →

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