Herbed Balsamic Chicken with Blue Cheese

Name: Herbed Balsamic Chicken with Blue Cheese
Ingredients: 6 skinless boneless chicken breast halves (5 to 6 ounces each); 1/2 cup balsamic vinegar; 3 tablespoons olive oil; 2 teaspoons coarse kosher salt, divided; 1 1/2 teaspoons freshly ground black pepper, divided; 2 teaspoons herbes de Provence*; 1 3-to 4-ounce wedge blue cheese, cut into 6 slices