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French Onion Chicken Casserole

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French Onion Chicken Casserole
© Eatwell101.com
French Onion Chicken Casserole - #chicken #recipe #eatwell101 - This chicken casserole makes a delicious and satisfying everyday meal for busy families. #keto #lowcarb
French Onion Chicken Casserole - #chicken #recipe #eatwell101 - This chicken casserole makes a delicious and satisfying everyday meal for busy families. #keto #lowcarb

French Onion Chicken Casserole – This French onion chicken casserole makes a delicious and satisfying everyday meal for busy families. Juicy, succulent chicken breasts are topped with caramelized onions and glorious melted cheese. Serve with steamed vegetables or a light salad, and this well-seasoned chicken casserole recipe is a big family favorite! This easy go-to meal is also Low Carb and Keto-friendly. Enjoy!

french onion chicken casserole recipePhoto credit: © Eatwell101.com

Ingredients list for the French Onion Chicken Casserole

chicken cheese casserole 2Photo credit: © Eatwell101.com

French Onion Chicken Casserole Recipe 3Photo credit: © Eatwell101.com

easy chicken casserolePhoto credit: © Eatwell101.com

easy chicken casserole 4Photo credit: © Eatwell101.com

chicken cheese casserolePhoto credit: © Eatwell101.com

keto chicken casserolePhoto credit: © Eatwell101.com

low carb chicken casserolePhoto credit: © Eatwell101.com

French Onion Chicken Casserole Recipe 2Photo credit: © Eatwell101.com

keto chicken casserole recipePhoto credit: © Eatwell101.com

Directions

1. To make the French onion chicken casserole: Preheat your oven to 400°F (200°C). Lightly grease a 9×12-inch baking dish and set aside.

2. Melt butter in a large skillet over medium-high heat. Add onions and season with salt and pepper. Cook for 5-8 minutes until soft.

3. Reduce heat to medium and cook, stirring occasionally, until onions are caramelized – about 15 minutes. Pour in 1/4 cup of broth to deglaze if your pan gets too dry, and keep stirring until onions are browned. 

4. Stir in fresh minced garlic and cook until fragrant, about 1 minute. Turn off the heat and allow to cool slightly.

5. Season chicken breasts with oregano, crushed chili pepper flakes, salt, pepper, and garlic powder. Go easy on the salt because French onion and cheese are already salted. Arrange chicken breasts in the baking dish. 

6. Divide caramelized onions on top of each chicken breast. Sprinkle shredded cheese on top and bake for 20-25 minutes in the oven (or more, depending on the thickness of your chicken breasts), until fully cooked and cheese is bubbly. Then broil for 2 minutes to crisp up the cheese. Garnish the French onion chicken casserole with fresh chopped parsley and serve immediately with steamed vegetables or cauliflower rice. Enjoy!

Tips for the French Onion Chicken Casserole:

  • You can prepare the caramelized onion ahead of time, and just assemble the chicken casserole at the last minute before baking.
  • You can flavor up the french onion with a dash of white wine, sherry or balsamic vinegar to deglaze the pan.
  • The cooking time will depend on the thickness of your chicken breasts. Cut them horizontally if they are too thick. You can also pound the chicken breasts (gently!) to get them to an even thickness.
  • Go easy on the salt because French onion and cheese are already salt. The taste of the French onion chicken casserole would be overpowered by saltiness.

More chicken casserole recipes

French Onion Chicken Casserole with mozzarellaPhoto credit: © Eatwell101.com

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  • Sara

    2022-03-08 21:47:12

    This was very tasty. Definitely reminded me of French Onion soup. My only change was I increased the portions of spices on the chicken rub.

  • Chuck

    2021-11-17 19:14:20

    This is way too many onions. I used 3 and it was too much. The chicken was rather bland. I'd like to try Gruyere as well.

  • kristine

    2021-11-08 14:31:44

    What is the net carbs in this recipe?

  • Fran

    2021-11-03 22:10:21

    Thank you for this recipe. My family loved it. I only used one onion and mozzarella cheese. Next time, I think that I will try the Gruyere cheese.

  • hmlanc

    2021-11-03 19:11:30

    LOVED this recipe, but if anyone can caramelize that many onions in under 45 mins to an hour I want to know the secret! By the time we ate, we were starving, LOL!

  • Brooke

    2021-10-27 21:16:08

    Delicious! I have made caramelized onions before, so I know they take a long time and planned for it. You should really give yourself at least 45 minutes to an hour to have them properly caramelized. But the time is worth it! I used a bit of sherry in my onions and topped with Gruyere cheese, it was so good. I felt like there was more than enough onions so I saved some for another use later in the week.

  • Jeanne

    2021-07-13 02:02:20

    Very good and easy. But my onions took MUCH longer to cook down, and I had an 11 inch skillet. But the flavor was delicious-I did use Swiss cheese instead. I will make it again, for sure!

  • Sharmon

    2021-05-16 19:26:37

    Way to much caramelized onion! Over powering!

  • Angie

    2021-05-12 15:18:57

    This was easy to make and tasty, but net time I will add the cheese only in the last 15 minutes. It was all hard and crispy, too much. I carmelized the onions all day in the crock pot and that made things easier. I will make again, with small changes.

  • Bonnie

    2021-02-23 07:27:58

    This was delicious. I ended up using a mix of Fontina and Gruyere cheese I had left in the the fridge. The onions are a labor of love - make ahead of time if you can.

  • Lisa

    2021-02-01 21:19:53

    Although I will definitely caramelize the onions ahead of time, it was delicious. We had this with fresh steamed broccoli and could not have enjoyed it more. Definitely a keeper

  • Dylan

    2021-02-01 20:12:58

    Delicious! I accidentally made this with 4 chicken thighs instead of 3 breasts, and used one large onion, but it turned out perfect. New family favorite.

  • Jasmine

    2021-01-19 23:46:16

    Great recipe! However, caramelizing the onions took much longer than recipe states. Nonetheless, this is DELICIOUS!

  • Heather

    2020-11-12 18:29:39

    Just happened to stumble across this recipe and omg am I so glad I did!!! Absolutely amazing. Best chicken I’ve had in a long time and the recipe was delicious!!!

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