Ingredients

1 small sweet potato1 medium apple, cubed1/4 cup chopped celery2 tablespoons chopped walnuts2 tablespoons golden raisins2 tablespoons miniature marshmallows2 tablespoons mayonnaise2 tablespoons sour cream1/2 teaspoon lemon juiceLeaf lettuce, optional

Preparation

Place sweet potato in a small saucepan; add water to cover. Bring to a boil. Reduce heat; cook, covered, until just tender, about 20 minutes. Drain and cool completely.

Peel potato and cube; combine with next five ingredients. In another bowl, combine mayonnaise, sour cream and lemon juice; pour over salad, and gently toss. Refrigerate, covered, at least 1 hour. If desired, serve on lettuce.