French Onion Chicken Bake

By /

Ingredients

Chicken & Topping

  • 4 boneless skinless chicken breasts (about 1.5 lbs / 700g)
  • 1 tbsp olive oil
  • Salt & pepper to taste
  • 1 tsp dried thyme

French Onion Sauce

  • 2 tbsp unsalted butter
  • 2 medium yellow onions thinly sliced
  • 3 cloves garlic minced
  • 1 tsp sugar to caramelize onions
  • 1 tsp balsamic vinegar optional, enhances sweetness
  • 1 tbsp all-purpose flour
  • 1 ½ cups chicken broth
  • 1 tsp Worcestershire sauce
  • Salt & pepper to taste

Cheese Layer

  • 1 cup shredded Gruyère or Swiss cheese
  • ½ cup grated Parmesan cheese

Instructions

  • Prep & Sear Chicken
  • Preheat oven to 375°F (190°C).
  • Season chicken breasts with salt, pepper, and thyme.
  • Heat olive oil in a skillet over medium-high heat.
  • Sear chicken for 2–3 minutes per side until lightly browned. Remove and set aside.
  • Make French Onion Sauce
  • In the same skillet, melt butter.
  • Add onions and sugar, cook 10–12 minutes until golden and caramelized, stirring occasionally.
  • Add garlic and cook 1 minute more.
  • Sprinkle flour over onions and stir for 1 minute.
  • Gradually pour in chicken broth while stirring to create a smooth sauce.
  • Add Worcestershire sauce, and season with salt & pepper. Let simmer 3–4 minutes until slightly thickened.
  • Assemble Bake
  • Place seared chicken in a baking dish.
  • Pour the French onion sauce evenly over the chicken.
  • Sprinkle Gruyère and Parmesan on top.
  • Bake
  • Bake uncovered for 20–25 minutes, until chicken reaches an internal temperature of 165°F (74°C) and cheese is bubbly and golden.
  • Serve
  • Let rest 5 minutes before serving.
  • Garnish with fresh parsley if desired. Serve with mashed potatoes, rice, or roasted vegetables.

Leave a Comment

Your email address will not be published. Required fields are marked *

Close
Scroll to Top