FIELD: food industry.
SUBSTANCE: invention is intended to be used in food industry and can be implemented to produce coffee substitutes. The method provides for preparing the ingredients, extracting green tea by liquid nitrogen with corresponding miscella separation, cutting and drying in the microwave field at preset process parametres as well as roasting chicory, roasting barley, oat and rye grain, mixing the chicory with the barley, oat and rye grain, impregnating the obtained mixture by separated miscella along with a simultaneous pressure boost and releasing the pressure until it equals the atmospheric pressure simultaneously freezing the mixture and cryomilling it in the medium of evolved nitrogen.
EFFECT: instant powder of flavoured coffee drink produced according to a nonwaste technology.
