Ingredients and Preparation
- Preheat oven to 450°F.
- Place chicken in a small baking dish and pour broth over chicken. Bake chicken about 30 minutes, until cooked through. Transfer to cutting board, let cool slightly, then cut into ½-inch cubes. Set aside.
- Meanwhile, combine walnuts, celery, grapes, sour cream, mayonnaise, tarragon, salt, and pepper in a large bowl. Toss chicken with walnut mixture and refrigerate at least 1 hour. Serve chicken salad over beds of lettuce.