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French Onion Baked Chicken

ChickenDiner-StyleOvenStove-Top
Time :1 hour
Yield :4 servings
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French Onion Baked Chicken brings caramelized flair to chicken for a cozy, delightful dish made for special evenings at home.
The first time I whipped up this French Onion Baked Chicken, it marked a rather peculiar milestone. I had just moved back into my childhood home after a whirlwind stint abroad. My parents were thrilled to have me around, but I knew I'd have to make the first family dinner something special to make up for the freezer meals they'd been surviving on. Yellow onions were always stacked high in the pantry because my dad swore by them for every imaginable dish. This time, though, it was their turn to be the star.
I remember the sizzle of the butter melting with a hint of olive oil, just the way Mom used to do it, filling the kitchen with a warm, inviting aroma. As I stirred the onions, watching them collapse into a sweet amber shade, I reminisced about Sunday dinners as a kid. One swift slash of balsamic vinegar added a surprising depth, coaxing every flavor to the surface. To finish it off, I scattered the shredded mozzarella and parmesan generously, praying the cheeses would melt into the golden onion blanket layered over the chicken. One nifty trick I learned is not to rush the onions. Let them caramelize slowly for that jam-like consistency that elevates the dish entirely.
When we finally sat down to eat, the chicken emerged bubbling with cheese and a deep, savory scent. Dad claimed it was better than Mom’s—although I'm sure he said that just to make me smile. I caught my mom giving me a wink too, proof that this culinary gesture had truly made this homecoming feel like home.

Ingredients

  • 3 tablespoons butter
  • 2 teaspoons olive oil
  • 4 large yellow onions peeled and sliced
  • 1/4 teaspoon black pepper
  • 2 sprigs fresh thyme
  • 3 cloves garlic minced
  • 1 tablespoon balsamic vinegar
  • 2/3 cup reduced-sodium beef broth divided
  • 4 chicken breasts boneless and skinless
  • 1/2 teaspoon kosher salt
  • 1/2 teaspoon black pepper
  • 1/2 teaspoon dried thyme
  • 1 teaspoon garlic powder
  • 1 cup mozzarella shredded
  • 1/3 cup parmesan shredded

Directions

  • Heat a large skillet over medium heat.
  • Add the butter, olive oil, and sliced onions to the oil and season with the black pepper.
  • Add the thyme sprigs to the butter mixture and cook, stirring occasionally, for 8 minutes.
  • While the onions are cooking, preheat the oven to 400 degrees F.
  • Butter a 9x13 inch baking dish.
  • Reduce the heat for the onions to medium-low and cook, stirring occasionally, for 15 minutes.
  • Stir the garlic into the onions and cook for 1 minute.
  • Stir the balsamic vinegar and 1/3 cup of the beef broth into the onion mixture.
  • Stir and cook the onion mixture until it is thick with a jam-like consistency, about 1 minute.
  • Add about a 1/2 cup of the caramelized onions to the prepared baking dish
  • Add the remaining beef broth to the baking dish and stir.
  • Season both sides of the chicken breasts with the kosher salt, the black pepper, the dried thyme, and the garlic powder.
  • Arrange the chicken breasts in the prepared baking dish and top each with a generous spoonful of the caramelized onions.
  • Top the chicken and the onions with the mozzarella and the parmesan.
  • Bake until the chicken is cooked to an internal temperature of 165 degrees F, about 25 minutes.
  • Serve.
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