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French Onion Chicken Bake Recipe

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3.8 from 80 reviews

This French Onion Chicken Bake is a comforting one-pan dish that combines tender shredded rotisserie chicken with sweet caramelized onions, a savory cream cheese and beef broth sauce, topped with melty gruyere cheese and toasted baguette slices. Inspired by the classic French onion soup flavors, this easy casserole is perfect for a cozy family dinner and requires minimal prep.

  • Total Time: 45 minutes
  • Yield: 6 servings

Ingredients

For the Chicken Bake:

  • 1 tablespoon olive oil
  • 1 tablespoon butter
  • 3 medium yellow onions, thinly sliced into half moons
  • ¾ teaspoon kosher salt, divided
  • ¼ teaspoon freshly ground black pepper
  • 1 tablespoon balsamic vinegar
  • 1 teaspoon Worcestershire sauce
  • 1 teaspoon brown sugar
  • 1 teaspoon dried thyme
  • 1 cup beef broth
  • 4 tablespoons cream cheese (about 2 oz)
  • 3 cups cooked shredded or diced chicken (rotisserie or pre-cooked)

Toppings:

  • 1 cup grated gruyere cheese
  • 1 medium French baguette (about 8 oz loaf), sliced into ½-inch rounds

Instructions

  1. Preheat the Oven: Heat the oven to 375°F (190°C) to prepare for baking the assembled dish.
  2. Caramelize the Onions: Heat a large, high-sided, oven-proof skillet over medium-high heat. Add olive oil, butter, half teaspoon salt, pepper, and the sliced onions. Stir to combine and cook, stirring frequently, until onions become browned and caramelized, about 10 minutes. Reduce heat if onions brown too quickly and add water if pan starts to dry out.
  3. Add Flavorings: Stir in balsamic vinegar, Worcestershire sauce, brown sugar, and dried thyme. Cook for 1 minute, stirring frequently to blend the flavors.
  4. Create Sauce and Combine: Add beef broth and cream cheese to the skillet. Stir continuously until cream cheese melts and fully incorporates into a creamy sauce. Turn off heat and mix in shredded chicken. Add up to ¼ cup more beef broth if the mixture seems dry.
  5. Assemble Bake: Spread chicken and onion mixture evenly in the skillet. Arrange baguette slices over the top in a single layer, placing slices close without overlapping. Sprinkle grated gruyere cheese evenly on top of the bread.
  6. Bake Covered: Cover the skillet tightly with foil and bake in the preheated oven for 20 minutes until bubbly around the edges.
  7. Finish Baking Uncovered: Remove foil and bake an additional 5 minutes until the cheese is golden and melted.
  8. Rest and Serve: Let the bake cool for 5 minutes before serving to let the flavors settle and the dish firm up slightly.

Notes

  • Gruyere cheese is preferred for its meltability and nutty flavor, but Swiss cheese can be used as a substitute.
  • Use rotisserie chicken for convenience and rich flavor, or any cooked chicken you have on hand.
  • If you prefer a deeper onion flavor, allow onions to caramelize a little longer but watch carefully to prevent burning.
  • Make sure to use an oven-proof skillet to transfer the dish directly from stovetop to oven.
  • Author: Daisy
  • Prep Time: 10 minutes
  • Cook Time: 35 minutes
  • Category: Casserole
  • Method: Baking
  • Cuisine: French-American

Find it online: https://dishiary.com/french-onion-chicken-bake-1-pan-w-rotisserie-chicken-recipe/