French Onion Chicken - Balanced Healthy Meals

Ingredients

• 4 boneless, skinless chicken breasts
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1 teaspoon garlic powder
• 1/2 teaspoon dried thyme
• 2 tablespoons olive oil
• 1 tablespoon butter
• 3 large yellow onions, thinly sliced
• 2 tablespoons butter
• 1/2 teaspoon salt
• 1 teaspoon granulated sugar, optional
• 1 teaspoon fresh thyme leaves or ½ teaspoon dried thyme
• 2 cloves garlic cloves, minced
• 1 tablespoon all-purpose flour
• 1 1/2 cups cups beef broth
• 1 tablespoon Worcestershire sauce
• 1/4 teaspoon black pepper
• 1 cup shredded Gruyère cheese
• 1/2 cup shredded mozzarella cheese
• Fresh thyme or parsley, for garnish