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A cast iron skillet with delicious French onion soup chicken, featuring baked chicken breasts topped with cheese and herbs in a rich brown sauce.
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French Onion Soup Chicken

French Onion Soup Chicken: Enjoy all the rich, cozy flavors of French onion soup in an easy, one-pan chicken skillet. Ready in 35 minutes—perfect for busy families craving a comforting, cheesy meal!
Prep Time15 minutes
Cook Time20 minutes
Total Time35 minutes
Course: Dinner, Main Course
Cuisine: American
Keyword: French Onion Soup Chicken
Servings: 4 servings
Calories: 305kcal
Author: Alicia

Ingredients

  • 2 boneless skinless chicken breasts
  • 1 Tablespoon olive oil
  • 1 Tablespoon French onion soup mix
  • 2 large yellow onions thinly sliced
  • 2 Tablespoons salted butter
  • 2 Tablespoons light brown sugar
  • ½ cup low sodium beef broth
  • 1 cup Swiss or gruyere cheese shredded
  • 2 Tablespoons parsley chopped (optional garnish)

Instructions

  • Preheat your oven to 350°F
  • Heat a cast iron skillet or heavy bottom pan to medium high heat.
  • While the pan is heating, in a small bowl, combine the olive oil and french onion soup mix and stir to create a paste and set aside.
    1 Tablespoon olive oil, 1 Tablespoon French onion soup mix
  • Butterfly your chicken breasts then cut them to create a 4 pieces of chicken that are thin.
    2 boneless skinless chicken breasts
  • Dry your chicken with paper towels and rub the paste on all sides of the chicken.
  • Add the chicken, smooth side down and cook undisturbed for 2-3 minutes until golden brown before flipping and cooking another 2 mintues-3 minutes. Work in batches if necessary to avoid overcrowding your chicken.
  • Remove the chicken to a plate and set aside. Your chicken will not be cooked all the way through.
  • Turn the heat down to low and add the butter and brown sugar to the pan until the butter melts.
    2 Tablespoons salted butter, 2 Tablespoons light brown sugar
  • When the butter and brown sugar have melted, add the sliced onions and stir to coat the onions in the butter and brown sugar.
    2 large yellow onions
  • Cover and cook until the onions become soft and are slightly browned, about 10 minutes.
  • Add the broth and nestle the chicken back into the pan with the onions.
    ½ cup low sodium beef broth
  • Move the pan to the oven and cook for 15 minutes until the onions are soft and jammy.
  • Cover each chicken breast with ¼ cup of cheese and cook for another 5 minutes allowing the cheese to melt and get slightly golden. The chicken should be 165°F.
    1 cup Swiss or gruyere cheese
  • Top with chopped parsley if desired and serve immediately.
    2 Tablespoons parsley

Notes

Storage:
To store your leftover chicken, remove the chicken from the skillet and add it to an airtight container. Store in the refrigerator for 3-4 days. Reheat in a skillet over medium heat or in single servings in the microwave on a microwave-safe plate for 3-3 ½ minutes at 50% power. 

Nutrition

Serving: 1serving | Calories: 305kcal | Carbohydrates: 13g | Protein: 21g | Fat: 19g | Saturated Fat: 9g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 6g | Trans Fat: 0.2g | Cholesterol: 76mg | Sodium: 371mg | Potassium: 403mg | Fiber: 1g | Sugar: 8g | Vitamin A: 586IU | Vitamin C: 7mg | Calcium: 268mg | Iron: 1mg