Brown sugar is white sugar that has had varying quantities of molasses added back in. This increases moisture content, alters color, and changes flavor somewhat.
The amount of molasses in brown sugar is insufficient to significantly contribute micronutrient content. See: Sugar, white
Brown sugar is a refined sugar. Brown sugar can easily be made at home with white sugar and molasses. See: Sugar, white
Bread, baked goods, cakes, cookies, sweetened beverages, soups, cereals, sauces, prepared meat