Sweet Potatoes with Orange, Nuts and Sherry

4 cooked sweet potatoes
1 tbsp cornstarch
1/4 tsp Salt
1 cup orange juice
1/4 cup raisins
1/4 cup butter
3 tbsp sherry
2 tbsp chopped walnuts
1/2 tbsp grated orange peel

Cut cooked sweet potatoes in lengthwise pieces Mix potatoes with all remaining ingredients and place in a 1 1/2 qt casserole dish.
Cover and bake 350 for 20 minutes or hot and bubbly.