French Onion Chicken Bake Recipe
Introduction
French Onion Chicken Bake is a cozy, flavorful dish that combines tender chicken breasts with sweet caramelized onions and melted cheese. It’s an easy, comforting meal perfect for weeknights or casual gatherings.

Ingredients
- 4 onions (peeled and sliced)
- 4 tbsp butter
- 4 cloves garlic (minced)
- 1/2 tsp pepper
- 1 tsp thyme
- 2/3 cup low sodium beef broth
- 2 tbsp balsamic vinegar
- 4 chicken breasts (boneless, skinless)
- 1/2 tsp salt
- 1 cup mozzarella cheese (shredded)
- 1/2 cup parmesan cheese (shredded)
Instructions
- Step 1: Preheat the oven to 400 degrees Fahrenheit and spray a 9×13 inch baking dish with cooking spray.
- Step 2: Melt the butter in a large skillet over medium-high heat. Add the sliced onions and cook for 5 minutes, stirring occasionally.
- Step 3: Lower the heat to medium, then add the minced garlic, pepper, and thyme. Cook for another minute.
- Step 4: Stir in the beef broth and balsamic vinegar. Continue cooking until the onions have a jam-like consistency, about 10 minutes.
- Step 5: Spread about one-third of the caramelized onions on the bottom of the prepared baking dish.
- Step 6: Place the chicken breasts on top of the onions and sprinkle evenly with salt.
- Step 7: Layer the remaining onions over the chicken, then top with shredded mozzarella and parmesan cheeses.
- Step 8: Bake for 30 minutes, or until the chicken reaches an internal temperature of 165 degrees Fahrenheit.
- Step 9: Serve warm and enjoy your delicious French Onion Chicken Bake!
Tips & Variations
- For extra flavor, add a splash of white wine when cooking the onions.
- Substitute turkey breasts for chicken to change things up.
- Try using gruyere cheese instead of mozzarella for a more traditional French onion flavor.
- If you prefer, use bone-in chicken breasts but adjust baking time accordingly.
- Make a double batch of caramelized onions to use in other dishes or freeze for future meals.
Storage
Store leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, warm in the oven at 350 degrees Fahrenheit until heated through, or microwave on medium power to avoid drying out the chicken.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use yellow onions instead of white?
Yes, yellow onions work perfectly and actually add a slightly sweeter, richer flavor to the dish.
What if I don’t have beef broth?
You can substitute with chicken broth or vegetable broth, but beef broth gives the best depth of flavor for this recipe.
PrintFrench Onion Chicken Bake Recipe
A comforting French Onion Chicken Bake featuring caramelized onions, tender chicken breasts, and a blend of melted mozzarella and parmesan cheeses, all baked to perfection. This dish combines rich flavors of caramelized onions with savory balsamic vinegar and herbs, making it a perfect hearty meal for any occasion.
- Prep Time: 15 minutes
- Cook Time: 45 minutes
- Total Time: 1 hour
- Yield: 4 servings 1x
- Category: Main Course
- Method: Baking
- Cuisine: French-American
- Diet: Low Sodium
Ingredients
Onion Mixture
- 4 Onions, peeled and sliced
- 4 tbsp Butter
- 4 cloves Garlic, minced
- 1/2 tsp Pepper
- 1 tsp Thyme
- 2/3 cup Low Sodium Beef Broth
- 2 tbsp Balsamic Vinegar
Chicken and Cheese
- 4 Chicken Breasts, boneless skinless
- 1/2 tsp Salt
- 1 cup Mozzarella Cheese, shredded
- 1/2 cup Parmesan Cheese, shredded
Instructions
- Preheat the Oven: Preheat your oven to 400 degrees Fahrenheit and lightly grease a 9×13 inch baking dish with cooking spray to prevent sticking.
- Cook Onions: In a large skillet over medium to high heat, melt the butter. Add the sliced onions and cook for 5 minutes, stirring occasionally to ensure even cooking.
- Add Seasonings: Lower the heat to medium and stir in the minced garlic, pepper, and thyme. Continue cooking for another minute to develop the flavors.
- Simmer with Broth and Vinegar: Pour in the low sodium beef broth and balsamic vinegar. Cook the onions until they reach a jam-like consistency, which should take about 10 minutes, stirring frequently to avoid burning.
- Layer Onion Mixture: Once the onions are caramelized, transfer about one-third of the onion mixture to the bottom of the prepared baking dish, spreading evenly.
- Add Chicken: Arrange the chicken breasts on top of the onion layer and sprinkle the salt evenly over the chicken pieces.
- Top with Remaining Onions and Cheese: Spoon the remaining caramelized onions over the chicken, then sprinkle the shredded mozzarella and parmesan cheeses evenly on top.
- Bake: Place the baking dish in the preheated oven and bake for 30 minutes or until the chicken reaches an internal temperature of 165 degrees Fahrenheit, ensuring it is fully cooked and safe to eat.
- Serve: Remove the dish from the oven and serve warm. Enjoy the rich and savory French Onion Chicken Bake!
Notes
- For best results, use a meat thermometer to check that the chicken reaches 165°F for safe consumption.
- You can substitute beef broth with chicken broth for a slightly lighter flavor.
- If you prefer a stronger onion flavor, allow the onions to caramelize a bit longer before adding to the dish.
- Leftovers can be stored in the refrigerator for up to 3 days and reheated in the oven or microwave.
Keywords: French Onion Chicken Bake, caramelized onions, baked chicken, mozzarella, parmesan, easy dinner recipe

