French Onion Stuffed Chicken Casserole

This delicious French Onion Stuffed Chicken Casserole makes a wonderful dinner meal that is perfect any night of the week!

2 Tbsp. unsalted butter

4 large onions, halved and thinly sliced

pinch of salt and pepper

2 tsp. fresh chopped thyme, divided

2 cloves garlic, minced

1/2 cup beef stock, divided, homemade recipe

2 Tbsp. white wine, sherry or balsamic vinegar

1 Tbsp. olive oil

4 boneless skinless chicken breasts

2 tsp. garlic powder

1 tsp. ground thyme

1 cup shredded Gruyere or mozzarella cheese

4 Tbsp. freshly grated Parmesan cheese

Preheat oven to 400 degrees. Lightly grease a 9 x 13 inch baking dish. Set aside.

Melt butter in a large skillet over medium high heat. Add onions and season with salt & pepper and half of the chopped fresh thyme. Cook 5-8 minutes or until soft.

Reduce heat to medium and cook, while stirring occasionally, until onions are caramelized, about 15 minutes. Pour in 1/4 cup beef stock if pan gets to dry, keep stirring until onions are browned.

Pour in white wine, sherry or balsamic vinegar to deglaze the pan. Let cook for a minute until the sauce thickens slightly.

Stir in garlic and cook about 1 minute or until fragrant. Turn off heat and let cool slightly.

Cut chicken breasts in half horizontally to create pockets. Season chicken all over and inside pockets with salt, pepper, garlic powder and ground thyme.

Spoon 1-2 tablespoons of caramelized onions into each pocket. Stuff each breast with cheeses and seal chicken with toothpicks.

Transfer the remaining caramelized onions from the skillet to the prepared baking dish. Mix in the remaining 1/4 cup of stock. Set aside. Heat oil in the same skillet over medium high heat. Sear the stuffed chicken breasts for 4 minutes on each side until browned.

Arrange chicken on the caramelized onions in the baking dish. Spoon some sauce in the dish over each chicken breast. Top with remaining chopped fresh thyme.

Bake 15-20 minutes or until fully cooked.

Discard the toothpicks and serve with pan juices and onions. Add Rosemary Green Beans for a complete meal.

Serves 4

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