In addition, there is a great probability that the color and taste of the drink will be subject to certain variations between the place at which they entered the dissolving and mixing unit, and the exit point of the chocolate milk at the conclusion of the process. These variations can, of course, be minimized to an agreed point (according to the pre-arranged permitted amount of cocoa and sugar that did not react), by setting the ratios of feeding, mixing rate, flow conditions, extraction, etc. In order to obtain chocolate milk identical to that obtained in the batch process, a further action on the product of the continuous process must be carried out, like, for example, filtration of the product and separation of the cocoa and sugar that did not dissolve in the milk. Their reintroduction to the process will not be carried out directly into the reactor (mixing and dissolving), but they will be combined with the flow of raw material entering the process. Their return will improve the process’s efficiency without harming product quality.