Parsnip Slaw with Grapes

Name: Parsnip Slaw with Grapes
Yield: 6 servings (serving size: 2/3 cup)
Ingredients: 3 ½ cups shredded peeled parsnip; 1 cup seedless red grapes, halved; ¼ cup light mayonnaise; ¼ cup plain fat-free yogurt; 2 tablespoons chopped fresh flat-leaf parsley; 2 tablespoons fresh lemon juice; 2 teaspoons sugar; ¼ teaspoon kosher salt; ¼ teaspoon freshly ground black pepper