Chicken with Balsamic Vinegar

Ingredients

• 2 boneless, skinless chicken breasts
• 1 egg white
• 1 tablespoon Dijon mustard
• all purpose flour
• ground thyme
• garlic powder
• salt and pepper
• olive oil (or cooking spray or butter)
• 1 small minced shallot (or about 2-3 tablespoons minced onion)
• 1 clove garlic minced
• 1/4 cup white wine
• 1/4 cup chicken broth
• 3 tablespoons balsamic vinegar
• 2-3 tablespoons brown sugar