Skillet French Onion Chicken Recipe

Ingredients

• 1 tablespoon kosher salt, plus more as needed
• 2 teaspoons freshly ground black pepper
• 2 teaspoons smoked paprika
• 1/3 cup beef stock
• 2 teaspoons Worcestershire sauce
• 1/3 cup dry sherry
• 3½ pounds bone-in, skin-on chicken thighs
• 1 tablespoon olive oil
• 2 tablespoons unsalted butter
• 2 large Vidalia onions, thinly sliced
• 1 teaspoon granulated sugar
• 4 garlic cloves, minced
• 3 thyme sprigs, stripped and chopped
• 6 ounces shredded Gruyère cheese
• 2 tablespoons finely chopped fresh flat-leaf parsley
• crusty bread, for serving