Savory French Onion Chicken Recipe: Comfort Food Made Simple - The Pass and Provisions

Ingredients

• 4 boneless, skinless chicken breasts
• 1 teaspoon salt
• ½ teaspoon black pepper
• ½ teaspoon garlic powder
• 1 teaspoon dried thyme
• ½ teaspoon sugar (optional, helps caramelization)
• 2 tablespoons olive oil
• 2 tablespoons unsalted butter
• 2 large yellow onions, thinly sliced
• ½ teaspoon salt
• ½ cup beef broth
• 1 cup beef broth
• 1 tablespoon balsamic vinegar (or Worcestershire sauce)
• 1 teaspoon Dijon mustard
• 1 teaspoon cornstarch mixed with 1 tablespoon water (for thickening)
• 4 slices Gruyere or Swiss cheese (or provolone)
• ¼ cup grated Parmesan cheese
• 1 tablespoon fresh parsley, chopped (for garnish)