Arrange sliced sweet potatoes in an ovenproof serving dish and season with salt and pepper.
Pour orange juice into a medium size pan and add sugar, cornstarch and raisins. Cook and bring to a boil stirring constantly over high heat. Add sherry, nuts, orange peel and mix.
Arrange peach wedges over sweet potatoes and cover with the orange juice preparation.
Bake in the preheated oven to 350°F (180°C) for 25 minutes or until syrup thickens.
Serve with pork or turkey.