Can I substitute Brown Sugar for Refined Granulated Sugar?
Yes, only if you an experienced candy-maker. Don’t let the brown sugar exceed 1/2 the amount of the total sugar. So if you were going to use 2 cups of total sugar, divide it into 1 cup brown and 1 cup regular sugar. Using brown sugar (which is basically refined white sugar but without all the molasses removed) also acts as one of the flavor agents and you can end up with a fudge called “Penuche.