PREPARATION:
- Preheat oven to 350°F. To toast walnuts, spread in single layer on baking sheet. Bake 6 to 8 minutes or until light golden brown, stirring frequently; cool. Coarsely chop; set aside.
- Place oil, vinegar, shallot, salt and sugar in small bowl or small jar with lid. Whisk together or cover and shake jar until mixed. Cover; refrigerate up to 1 week. Combine greens, grapes and chopped walnuts in large bowl. Just before serving, add dressing; toss well to coat.
