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French Onion-Skillet Chicken
5 from 18 votes

French Onion-Skillet Chicken

French Onion-Skillet Chicken combines seared chicken thighs with caramelized onions, garlic, and herbs cooked in a dry sherry and beef broth sauce. The dish built in stages delivers richly browned chicken with a savory, slightly sweet onion sauce thickened with flour. The addition of torn bread and melted gruyere cheese creates a hearty, gratin-like topping that blends textures and flavors. This skillet preparation allows for a one-pan meal with layered savory and aromatic notes.

Prep Time
20 mins
Cook Time
1 hr 5 mins
Total Time
1 hr 25 mins
Servings: 4 to 6 servings
Calories: 781 kcal
Course: Main Course
Cuisine: American

Ingredients

  • 2 tablespoons vegetable oil mild
  • 6 (about 2 pounds) chicken thigh all approximately the same size, skin-on, bone-in
  • salt freshly ground
  • black pepper freshly ground
  • 3 tablespoons (1 1/2 oz) butter unsalted
  • 2 large (2 pounds) onion cut in half and sliced into thin half-moons
  • 1 bay leaf
  • 2 garlic thinly sliced, cloves
  • 1/2 cup dry sherry or dry white wine
  • 1 tablespoon all-purpose flour
  • 1 cup beef broth plus more if needed, store-bought low sodium or homemade beef stock
  • 1 tablespoon thyme plus more for garnish, fresh leaves
  • 1/2 teaspoon sage ground
  • 1 tablespoon apple cider vinegar
  • 2 cups bread torn into 2-inch (5 cm) chunks, day-old
  • 2 cups gruyere cheese Emmental, or Swiss cheese, or a combination of all three, grated

Instructions

    Cup of Yum
  1. Heat a large ovenproof skillet over high heat until hot. Add the oil.
  2. Meanwhile, generously season the chicken with 1/2 teaspoon each of salt and pepper. Working in batches, if needed, sear the chicken, skin side down, until deeply golden brown, about 8 minutes. Flip and sear the other side until brown, about 5 minutes. Move to a plate. Drain the fat from the skillet.
  3. Lower heat to medium, add the butter and let it melt.
  4. Strew the onion, garlic, and bay leaf in the skillet and season with salt and pepper. Cook, covered, stirring occasionally until the onions are softened, about 15 minutes. Uncover and continue cooking and stirring until the onions are deeply golden brown, 10 to 12 minutes more.
  5. Pour the sherry or wine into the skillet, scrape up any browned bits stuck to the bottom.
  6. Sprinkle the flour over the onions and stir to coat. Cook for 30 seconds.
  7. Pour in the beef stock, sprinkle in the thyme and sage, and stir to combine. Add the cider vinegar. Bring to a boil.
  8. Nestle the chicken into the skillet. Reduce heat to low and simmer gently until the chicken is cooked through, and has an internal temperature of 165°F (74°C), about 15 minutes. Stir in additional stock if the sauce becomes too thick or reduces too much.
  9. Meanwhile, crank up the broiler.
  10. Tuck the chunks of bread around and between the chicken thighs. Top the chicken and bread with the cheese. Sprinkle a bit of salt and pepper over the top.
  11. Slide the skillet into the oven and broil just until the cheese is browned and bubbly, 3 to 4 minutes.
  12. Garnish with more thyme leaves. Serve immediately.

Nutrition Information

Serving 1serving Calories 781kcal (39%) Carbohydrates 63g (21%) Protein 34g (68%) Fat 42g (65%) Saturated Fat 20g (100%) Monounsaturated Fat 14g (70%) Trans Fat 1g (50%) Cholesterol 98mg (33%) Sodium 959mg (40%) Fiber 5g (20%) Sugar 8g (16%)

Nutrition Facts

Serving: 4 to 6 servings

Amount Per Serving

Calories 781

% Daily Value*

Serving 1serving
Calories 781kcal 39%
Carbohydrates 63g 21%
Protein 34g 68%
Fat 42g 65%
Saturated Fat 20g 100%
Monounsaturated Fat 14g 70%
Trans Fat 1g 50%
Cholesterol 98mg 33%
Sodium 959mg 40%
Fiber 5g 20%
Sugar 8g 16%

* Percent Daily Values are based on a 2,000 calorie diet.