With caramel color, the practice is to melt the sugar in a pot, while constantly stirring, until the color becomes caramel yellow, but do not have too much burnt taste, put in the right amount of water, do not put too much, the color of caramel water, to become slightly lighter than the color of the cola, it can be, in addition, sweet and sour pork in the water, put in a frying pan, the first is to use caramel color coloring, and then Cooking, out is a nice oily red, this should try a few times, grasp the concentration of caramel color.