A method of solidifying particularly sugar solutions from grape processing that can also be used for the production of concentrated, rectified must (CRM) is characterized in that the step of solidification is carried out by leading the sugar solution to a sugar concentration which is suitable for the solidification of their components able to be solidified from 50% by weight of sugars to the maximum value of the obtainable concentration. A solidified sugar product is obtained that can also be separated from the not solidified components and offers a number of advantages regarding both package and use as well as storage and transportation.