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French onion smothered chicken in a skillet
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5 from 2 votes

French Onion Smothered Chicken

French Onion Smothered Chicken is cheesy, low carb, packed full of flavor recipe... in one skillet! This juicy smothered chicken with caramelized onions is a southern style dinner that will soon be a family favorite on your keto menu!
Prep Time5 mins
Cook Time45 mins
Total Time50 mins
Course: dinner
Cuisine: American
Keyword: chicken for dinner, gluten free, keto dessert recipe, recipe for french onion chicken
Servings: 4
Calories: 148kcal


  • 1 Tablespoon avocado oil (Click here for my favorite brand on Amazon)
  • 2 large Chicken breast, sliced in half lengthwise
  • kosher salt and pepper
  • ½ teaspoon Dried Thyme
  • 1 tablespoon Butter
  • 2 Cups Thinly sliced onions
  • 2 Cups Beef broth
  • 8 ounces Baby Bella Mushrooms,sliced
  • 4 Slices Swiss cheese


  • Season both sides of the chicken breast with thyme, salt and pepper.
  • Heat the avocado oil in a large skillet over medium high heat.
  • Brown the chicken breast on both sides and cook until an internal thermometer reads 165F.
  • Remove from the skillet and set aside.
  • Reduce heat to medium and add the butter, onions and ½ cup beef broth to the skillet.
  • Cook the onions until browned and caramelized. Add more beef broth if the onions start to dry out.
  • The caramelized onions will take about 20 minutes.
  • Add in the mushrooms to the caramelized onions and cook for 5 minutes more.
  • Stir in any remaining beef broth.
  • Add the chicken breast back to the skillet and use a spoon or tongs to smother them with the onion and mushroom mixture.
  • Top each chicken breast with a slice of swiss cheese.
  • Cover with a lid to melt.
  • Serve!


Serving: 4g | Calories: 148kcal | Carbohydrates: 9g | Protein: 12g | Fat: 7g | Saturated Fat: 2g | Fiber: 2g | Sugar: 4g