4 (6-ounce) skinless, boneless chicken breast halves |
1/2 teaspoon salt |
1/4 teaspoon black pepper |
1 tablespoon olive oil |
3 tablespoons chopped shallots |
1/2 cup fat-free, lower-sodium chicken broth |
1 rosemary sprig |
3 tablespoons whipping cream |
2 teaspoons dijon mustard |