Butterscotch Yams

6 medium yams, cooked, peeled and quartered 1/2 teaspoon cinnamon
1/2 cup brown sugar 1/2 cup corn syrup, light or dark
2 tablespoons margarine 1/4 cup half and half
1/2 teaspoon salt

Arrange yams in single layer in 9 X 13 pan. In heavy saucepan, combine remaining ingredients, stirring constantly. Bring to a boil and reduce to medium heat for 5 minutes. Pour over yams and bake, basting frequently for 15 minutes or longer until done in 325 degree oven.