This Keto French Onion Chicken Recipe is a delicious is the perfect low carb comfort food recipe. Pan-seared chicken , simmered in a rich and flavorful pan sauce made with caramelized onions, sherry, and fresh herbs, then topped with melty mozzarella and Gruyere cheeses. The dish is finished with a sprinkle of fresh thyme and served with a creamy cauliflower mash and roasted broccoli. This easy weeknight recipe is sure to be a family favorite.
Ingredients in Low Carb French Onion Chicken
Ingredients Notes
How to Make The Best French Onion Chicken Recipe
Step by Step Instructions
STEP 1: Lightly season the chicken breasts with salt and pepper on both sides.
2: In a large skillet over medium-low heat, add 2 tablespoons of the butter, the onions and the garlic. Cook until the onions are nice and caramelized, about 30 minutes. Remove the onions from the pan and set aside.
3: Increase the heat to medium-high, add the remaining 2 tablespoons of butter and pan-sear the chicken on both sides until they are a deep golden brown.
4: Remove from pan and set aside. (Chicken will not be fully cooking during this stage) De-glaze the pan with stock. Using a rubber spatula, scrape up and mix in any remaining bits of chicken stuck to the bottom of the pan. Let simmer for 3 to 5 minutes.
5: Reduce the heat to medium-low to low, add the cooking sherry, garlic, Worcestershire, thyme, salt and pepper. Let simmer for 6 minutes, or until the sauce has reduced by half and thickened slightly.
6: Add caramelized onions back to the pan and nestle in the chicken, and simmer until the chicken is cooked all the way through, about 10 minutes or until it has reached an internal temperature of 165°F.
7: Spoon the onions and some sauce over the chicken and then top with a combination of gruyere and mozzarella cheese. Bake in the oven for 7 to 8 mins at 275°F or until the cheese is melted and bubbly.
8: Spoon a little bit of onion gravy on top and garnish with fresh thyme.
Recipe Tips and Variations
Frequently Asked Questions
Yes! You can use boneless, skinless chicken thighs in place of the chicken breasts.
To make this recipe dairy free, you can substitute the butter with ghee or coconut oil, and the cheese with your favorite dairy free cheese alternative.
Yes, as written the recipe is naturally gluten free
What to Serve with Low Carb French Onion Chicken Skillet
More Keto Chicken Recipes
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Keto French Onion Chicken
- Total Time: 1 hour
- Yield: 4 Servings
- Diet: Gluten Free
Description
This Keto French Onion Chicken Recipe is a delicious is the perfect low carb comfort food recipe. Pan-seared chicken , simmered in a rich and flavorful pan sauce made with caramelized onions, sherry, and fresh herbs, then topped with melty mozzarella and Gruyere cheeses. The dish is finished with a sprinkle of fresh thyme and served with a creamy cauliflower mash and roasted broccoli. It is the perfect high protein chicken recipe.
Ingredients
- 1 ½ pounds boneless, skinless chicken breasts (4 total)
- 4 tablespoons butter, divided
- 2 medium onions, thinly sliced
- ½ cup cooking sherry (I use this brand)
- 3 cloves garlic, minced
- 1 tablespoon Worcestershire sauce
- 1 tablespoon fresh thyme leaves or 1 teaspoon dried thyme, plus extra for garnish
- 1 teaspoon sea salt
- ½ teaspoon black pepper
- 1 cup beef or chicken stock
- 1 cup shredded mozzarella cheese
- ½ cup shredded gruyere cheese
Instructions
- Lightly season the chicken breasts with salt and pepper on both sides. In a large skillet over medium-low heat, add 2 tablespoons of the butter, the onions and the garlic. Cook until the onions are nice and caramelized, about 30 minutes. Remove the onions from the pan and set aside.
- Increase the heat to medium-high, add the remaining 2 tablespoons of butter and pan-sear the chicken on both sides until they are a deep golden brown. Remove from pan and set aside. (Chicken will not be fully cooking during this stage)
- De-glaze the pan with stock. Using a rubber spatula, scrape up and mix in any remaining bits of chicken stuck to the bottom of the pan. Let simmer for 3 to 5 minutes.
- Reduce the heat to medium-low to low, add the cooking sherry, garlic, Worcestershire, thyme, salt and pepper. Let simmer for 6 minutes, or until the sauce has reduced by half and thickened slightly.
- Add caramelized onions back to the pan and nestle in the chicken, and simmer until the chicken is cooked all the way through, about 10 minutes or until it has reached an internal temperature of 165°F.
- Spoon the onions and some sauce over the chicken and then top with a combination of gruyere and mozzarella cheese. Bake in the oven for 7 to 8 mins at 275°F or until the cheese is melted and bubbly. Spoon a little bit of onion gravy on top and garnish with fresh thyme.
Notes
- Net carbs per serving: 8.4g
- Storage: Store leftover Keto French Onion Chicken in the refrigerator for up to 4 days.
- Reheating: You can reheat this dish in a pan on the stovetop or in the microwave.
- Thickening the sauce: If you would like the sauce to be thicker, you can add a little xanthan gum, tapioca flour or arrowroot flour.
- Slow cooker: To make this recipe in a crockpot, add all ingredients except for the cheese and cook on low for 4 to 6 hours. Sprinkle the cheese over top and cook for one additional hour.
- Prep Time: 15 minutes
- Cook Time: 45 minutes
- Category: Chicken Recipes
- Method: Saute
- Cuisine: French
Jennifer says
Kyndra! This is davoon!! We devoured this and I saved the leftovers for my meal prep this week. I served it over garlic mashed cauliflower and it is restaurant quality. You killed it.
Jamie says
Kyndra you did it again. I modified the recipe slightly as I am not currently Keto and did not need that much fat. Even in doing so, it was a slam dunk! The cooking time on the chicken was perfect. The caramelized onions and sauce was delicious! I served it with steamed broccoli and some toasted sourdough sprinkled with Gruyère (to soak up all the delicious sauce). Will def make again! 10 out of 10!
Mandy says
Made this tonight for my parents and hubs while on vacation at the cottage together. Everyone was blown away! Used chicken thighs (6) and subbed provolone for the Gruyère as it was an asinine price at the grocery store here.
Mom asked for a copy of the recipe!!
Lisa says
question? the instructions don't show a step to add the chicken stock?
Kyndra Holley says
It is in step 3
Lisa says
Sorry, for some reason my recipe says "chicken stuck." I was thinking extra chicken bits stuck on bottom of pan. Too funny, thanx for your help. Making it tonight. It looks delicious.
Faith says
This is my husbands new favorite.
I add extra Worcestershire sauce and cheese and use no broth.
Jessica says
Made it! Love it! My husband was pleasantly surprised with how much he liked it! I sprinkled some parm cheese and Italian seasoning on top. DELISH!
Sunny says
This dish is SO GOOD!! I did it in cast iron so I wouldn't have to switch pans and used chicken thighs. I can't wait to make this for my keto sister next time I go visit!
Jordan says
I'm so excited to try this out this weekend!
I had a question about doing it in a slow cooker. In the instructions it says for everything except the cheese to cook on low for 4-6 hours, then to add the cheese and cook for an additional hour. I just wanted to check and make sure that meant a total of 5-7 hours cooking time, not that the cheese should be added in the final hour of that 4-6 hour window.
Thanks so much! I have a feeling this is going to be a household favorite!
Kyndra Holley says
Hi Jordan, you would add the check and then cook for one additional hour.
Teri says
I just made this for dinner tonight, all I can say is wow, what a flavorful easy dish
Donna says
I made this today Was really good. Both my husband and I enjoyed it. Just wondered when to add the garlic, lol.