"French Onion Stuffed Chicken Casserole makes for a delicious dinner! Juicy, succulent chicken breasts stuffed with caramelized onions and glorious melted cheese. A perfect weeknight or weekend dinner. Low Carb and Keto approved!..."
INGREDIENTS
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2 tablespoons unsalted butter
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4 large onions (halved and thinly sliced)
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Pinch of salt and pepper (to season)
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2 teaspoons fresh chopped thyme (divided)
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2 tablespoons white wine, sherry or balsamic vinegar ((OPTIONAL))
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2 cloves garlic (minced)
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1/2 cup beef broth or stock (divided)
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1 tablespoon olive oil
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4 boneless, skinless chicken breasts
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2 teaspoons garlic powder
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1 teaspoon ground thyme
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1 cup shredded gruyere cheese ((or mozzarella cheese))