Cover with foil and roast for at least 3 hours, turning it from time to time, until it gets tender and golden.
Dessert From India:
Rolled Ratalu (Sweet Potato) with Nuts
A specialty of the Bene Israel community; recipe courtesy of Rosy Solomon Moses of Mumbai, India
1 lb of sweet potatoes
2 tablespoons of mashed dates
1/4 cup of crushed almonds, pistachios and cashews
Boil sweet potatoes with a little salt. When tender, peel and mash potatoes and add the mashed dates. Mix and create small balls. Roll in crushed nuts and serve.