4 (4-ounce) skinless, boneless chicken breast halves |
1/4 teaspoon salt |
1/4 teaspoon freshly ground black pepper |
1 tablespoon olive oil |
2 tablespoons minced shallots (about 1) |
2 tablespoons dry white wine |
1/2 cup fat-free, less-sodium chicken broth |
2 tablespoons stone-ground mustard |
1 teaspoon dijon mustard |
3 tablespoons low-fat sour cream |
1 tablespoon chopped fresh thyme |
1/2 teaspoon sugar |