6 ounces uncooked farfalle (bow tie pasta)
2 cups grape tomatoes, halved
1 cup seedless green grapes, halved
1/3 cup thinly sliced fresh basil leaves
2 tablespoons white balsamic vinegar
2 tablespoons chopped shallots
2 teaspoons capers
1 teaspoon Dijon mustard
1/2 teaspoon bottled minced garlic
1/2 teaspoon salt
1/4 teaspoon freshly ground black pepper
4 teaspoons extra-virgin olive oil
1 (4-ounce) package crumbled reduced-fat feta cheese