orange juice, unsweetened
grated rind of one orange
Preheat oven to 325. Cut edges of fat on ham and place in baking dish. Cover and bake 1 hr.
Meanwhile, cook potatoes. Mix brown sugar, orange juice, and orange rind; set aside.
Place cooked potatoes around ham with orange slices. Pour orange juice mixture over ham and potatoes.
Return to oven and bake, uncovered, for 20 minutes or until brown.