2 or 3 (40 oz.) canned yams
25 Kraft caramels
1/2 c. brown sugar
1/2 c. sugar
1 c. evaporated milk

Put all ingredients, except yams, in saucepan on low. When melted, pour over yams and bake until hot, about 30 minutes at 350 degrees. Add marshmallows on top, if desired.