Candied Sweet Potatoes

6 boiled sweet potatoes
1/2 cup brown sugar
2 tablespoons water
4 tablespoons butter

Wash and pare potatoes. Cook 10 minutes in boiling, salted water. Drain; cut in halves lengthwise and put into a buttered pan. Make a syrup by boiling the sugar and water for 3 minutes. Add butter. Baste potatoes with syrup. Bake slowly at 300 degrees F until tender. Sprinkle with mini marshmallows and pecans and broil or bake until marshmallows are golden.