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–+ servings

Savory French Onion Chicken Bake to Wow Your Dinner Guests

This French Onion Chicken Bake combines tender chicken with caramelized onions and cheese, delivering a savory explosion of flavors in a simple, one-pan wonder.
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Prep Time 15 minutes
Cook Time 30 minutes
Resting Time 5 minutes
Total Time 50 minutes
Servings: 4 servings
Course: Chicken
Cuisine: French
Calories: 450
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Chicken
  • 4 pieces boneless skinless chicken breasts
  • 1 teaspoon salt
  • 0.5 teaspoon black pepper
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
For the Onion Mixture
  • 2 tablespoons olive oil
  • 2 tablespoons unsalted butter
  • 3 large yellow onions, thinly sliced
  • 2 cloves garlic, minced
  • 1 teaspoon dried thyme
  • 1 tablespoon all-purpose flour
For the Sauce
  • 1 cup beef broth
  • 1 teaspoon Worcestershire sauce
  • 1 teaspoon balsamic vinegar
For the Cheese Topping
  • 1 cup shredded Gruyère cheese
  • 1 cup shredded mozzarella cheese
For Garnish
  • 1 tablespoon fresh parsley, chopped

Equipment

  • Oven
  • Skillet
  • baking dish

Method
 

Step-by-Step Instructions for French Onion Chicken Bake
  1. Preheat your oven to 375°F (190°C).
  2. Pat the chicken dry and season with salt, pepper, garlic powder, and onion powder.
  3. Heat olive oil in a skillet, sear chicken for 3-4 minutes on each side.
  4. Transfer seared chicken to a baking dish.
  5. In the same skillet, melt unsalted butter and cook onions for 15-20 minutes until caramelized.
  6. Add minced garlic and thyme, cooking for 1 more minute.
  7. Stir in flour, then add beef broth, Worcestershire sauce, and balsamic vinegar. Simmer for 3-5 minutes.
  8. Spoon onion mixture over chicken and top with Gruyère and mozzarella cheese.
  9. Bake for 20-25 minutes until chicken reaches 165°F (74°C).
  10. Switch to broil for 2-3 minutes to brown the cheese.
  11. Let it rest for 5 minutes before serving.
  12. Garnish with chopped parsley and serve hot.

Nutrition

Serving: 1servingCalories: 450kcalCarbohydrates: 22gProtein: 40gFat: 25gSaturated Fat: 12gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gCholesterol: 110mgSodium: 800mgPotassium: 600mgFiber: 1gSugar: 2gVitamin A: 500IUVitamin C: 10mgCalcium: 250mgIron: 2mg

Notes

Use fresh, quality ingredients for best results. Monitor the cooking time closely to avoid overcooking the chicken.

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