01 -
Preheat oven to 375°F. In a large oven-safe pot or Dutch oven, melt **2 tbsp unsalted butter** with **1 tbsp olive oil** over medium-low heat. Add **3 large yellow onions, thinly sliced**, and cook, stirring occasionally, for 15-20 minutes until deeply golden brown and caramelized. This forms the heart of your French Onion Chicken Rice Bake.
02 -
Remove onions from the pot and set aside. Increase heat to medium-high. Add **1 1/2 lbs boneless, skinless chicken thighs, cut into 1-inch pieces**, and cook until lightly browned, about 5-7 minutes. Stir in **4 cloves garlic, minced**, and **1 tbsp fresh thyme leaves, chopped**, cooking for 1 minute until fragrant.
03 -
Sprinkle **2 tbsp all-purpose flour** over the chicken and cook for 1 minute. Pour in **1/2 cup dry white wine**, scraping up any browned bits. Stir in **1 tbsp Worcestershire sauce**, **3 cups low-sodium chicken broth**, **1 1/2 cups long-grain white rice, uncooked**, **1 tsp salt**, and **1/2 tsp black pepper**. Bring to a simmer.
04 -
Return the caramelized onions to the pot, stirring to combine with the chicken and rice mixture. Cover the pot tightly with a lid or foil. Transfer to the preheated oven and bake for 20 minutes. This crucial step allows the rice to cook and flavors to meld for your French Onion Chicken Rice Bake.
05 -
Carefully remove the pot from the oven. Uncover and sprinkle **1 1/2 cups Gruyere cheese, shredded**, evenly over the top of the French Onion Chicken Rice Bake. Return the uncovered pot to the oven and bake for an additional 10-15 minutes, or until the cheese is melted and bubbly and the rice is tender.
06 -
Once baked, remove the pot from the oven. Let the French Onion Chicken Rice Bake - Comforting Weeknight Meal rest, covered, for 5-10 minutes before serving. This allows the flavors to settle and the rice to fully absorb any remaining liquid, ensuring a perfectly comforting weeknight meal.