In large bowl, whisk together oil, lime juice, sugar, ginger and salt. Stir in sweet potatoes, walnuts and scallions and cranberries if using.
Transfer half of mixture (about 2 cups) to covered container; refrigerate overnight for day 2 variation, Asian Chicken and Sweet Potatoes.
Day One: Sweet Potato and Ginger Slaw in Lettuce Cups
On each of 4 dinner plates, place 2 Boston or iceberg lettuce cups. Spoon slaw mixture into each lettuce cup, dividing equally. Serve with grilled chicken breast, sliced diagonally, if desired.
Variation, Day Two: Asian Sweet Potato and Chicken Salad
In bowl, combine refrigerated sweet potato slaw with 3 cups shredded cooked chicken, 1 tablespoon hoisin sauce and 2 teaspoons toasted sesame oil or to taste. Serve over bed of mixed greens, if desired.
Contributed by:North Carolina Sweet Potato Commission