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You are here: Home / Lisa G News / French Onion Smothered Chicken with Mushrooms

French Onion Smothered Chicken with Mushrooms

March 17, 2026 By Lisa Leave a Comment

French Onion Smothered Chicken I LisaGCooks.com
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French Onion Smothered Chicken with Mushrooms

Omg y’all, we are knee-deep in winter… and I really, really, really dislike the cold.

French Onion Smothered Chicken I LisaGCooks.com

The good is news is that this dish helps with that by warming you up from the inside out…and… it comes together in about 30 minutes…

French Onion Smothered Chicken I LisaGCooks.com

oh… and it’s delicious… I promise!

French Onion Smothered Chicken I LisaGCooks.com

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French Onion Smothered Chicken I LisaGCooks.com

French Onion Smothered Chicken with Mushrooms


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  • Author: Lisa G Cooks
  • Total Time: 26 minutes
  • Yield: 4 1x
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Description

A recipe for tender chicken breasts smothered in flavours that taste just like the classic, French Onion soup.


Ingredients

Scale

2 tbsp (salted) butter, divided

1 tbsp extra virgin olive oil

227 g Cremini mushrooms, sliced

1 Medium onion, sliced into half moons

4 or 5 Sprigs of fresh thyme left whole

Salt, to taste

Pepper, to taste

4 Boneless, skinless chicken breasts

1 tbsp all purpose flour

1 Cup sodium-reduced chicken stock

4 Slices Swiss cheese


Instructions

Preheat your oven to 375.

Heat a large oven-safe pan (such as a cast-iron) over medium-high heat and add in one tbsp. of the butter and the olive oil.  Once the fat has melted and the pan is hot, add in the mushrooms, onion and thyme sprigs.  Season with salt and pepper.

Sauté the veggies for 5-7 minutes, until the mushrooms have given off their water and the onions are browned.  Set the veggies aside, discard the thyme sprigs and return the pan to medium-high heat.

Add the remaining butter and when it’s melted add in the chicken breasts; season with salt and pepper.

Brown the chicken for 2-3 minutes on both sides then set aside.

Drop the heat on the pan to medium and then return the veggies (and all the yummy juices) and add in the flour.  Mix flour around so it looks like wet sand and then let it cook for about a minute to get rid of the raw flour taste.

Stir in the stock, stirring constantly so you don’t get any lumps.  Once the sauce has started to thicken, turn the heat off the pan.

Return the chicken and juices to the pan.  Coat the chicken in the sauce and then transfer the pan to the oven.

Bake for 10-13 minutes but top with the cheese for the final 5 minutes.

Once the chicken has finished baking, let it rest in the pan uncovered for 10 minutes before serving.

Notes

  1. White button mushrooms will work in place of Cremini mushrooms.
  2. Go with any stock of your choosing but try to use lower-sodium varieties!
  3. Gruyere would rock here too.
  4. I served this with Garlic Mashed Potatoes and Roasted Broccoli.
  • Prep Time: 5 Minutes
  • Cook Time: 21 Minutes
  • Category: Chicken
  • Method: Stovetop
  • Cuisine: Canadian

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