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French Onion Chicken Bake Recipe

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3.8 from 42 reviews

A delicious French Onion Chicken Bake featuring tender caramelized onions, juicy chicken breasts nestled with cauliflower, finished with melted mozzarella or gruyere cheese. This comforting one-pan meal combines rich flavors reminiscent of classic French onion soup with the ease of baking, perfect for a hearty weeknight dinner.

  • Total Time: 50 minutes
  • Yield: 4 servings

Ingredients

For the Onion Mixture

  • 1 tablespoon butter
  • 1 tablespoon oil
  • 5 medium onions, sliced thin
  • ½ teaspoon fine sea salt
  • 3 garlic cloves, minced
  • 3 sprigs fresh thyme (or 1 teaspoon dried thyme)
  • ½ cup beef stock
  • 1 tablespoon Dijon mustard

Main Ingredients

  • 3 cups cauliflower florets
  • 4 boneless, skinless chicken breasts
  • 1 cup shredded mozzarella or gruyere cheese
  • Salt and pepper, to season chicken

Instructions

  1. Preheat the Oven: Preheat your oven to 400ºF (200ºC) to prepare for baking the chicken later.
  2. Caramelize the Onions: Heat butter and oil in a large oven-safe skillet over medium-high heat. Add the sliced onions and cook undisturbed for 5 minutes until they start to sweat and brown in spots. Reduce heat to medium-low, add salt, and cook for another 10-15 minutes, stirring occasionally until onions are soft and caramelized. Add minced garlic and thyme, cooking for 2 more minutes. Stir in beef stock and Dijon mustard, scraping browned bits off the bottom, and cook until the liquid reduces by half, about 2 minutes.
  3. Mix Cauliflower with Onion Mixture: Set aside ½ cup of the caramelized onion mixture for topping. Add the cauliflower florets to the skillet and combine with the remaining onion mixture.
  4. Prepare and Arrange Chicken: Season chicken breasts with salt and pepper. Nestle the chicken pieces into the skillet among the onion-cauliflower mixture. Spread the reserved half-cup of onions on top of each chicken breast.
  5. Bake the Chicken: Place the skillet in the preheated oven and bake until the chicken is cooked through and juices run clear, approximately 20 minutes.
  6. Broil with Cheese: Preheat your broiler. Sprinkle shredded mozzarella or gruyere cheese evenly over the baked chicken breasts. Broil for about 1 minute or until the cheese is melted and bubbly, watching closely to prevent burning.
  7. Serve: Remove the thyme sprigs from the skillet and serve the French Onion Chicken Bake hot, enjoying the mix of caramelized onions, tender chicken, and melted cheese.

Notes

  • Use a large oven-safe skillet (12-inch or larger) for cooking and baking to ensure even heating and easy transfer to the oven.
  • For a low-carb variation, cauliflower can be substituted or enhanced with other low-carb vegetables.
  • Gruyere cheese can be substituted with mozzarella or any good melting cheese according to preference.
  • Ensure the chicken reaches an internal temperature of 165ºF (74ºC) for safe consumption.
  • Author: ELLA
  • Prep Time: 10 minutes
  • Cook Time: 40 minutes
  • Category: Main Dish
  • Method: Baking
  • Cuisine: French-American

Find it online: https://ellarecipe.com/french-onion-chicken-bake-recipe/