FIELD: food industry.
SUBSTANCE: invention relates to technology of manufacturing coffee substitutes. Method provides for extraction of lemon peels by liquid nitrogen with corresponding miscella separation, preparation of topinambur, its cutting, drying in microwave field at preset process parametres and frying, frying rye grains, mixing topinambur and rye grains in mass ratio 7:3, impregnation of obtained mixture by separated miscella with simultaneous pressure boost and depressurisation till atmosphere pressure with simultaneous freezing of mixture and its cryomilling in medium of evolved nitrogen.
EFFECT: invention allows to produce flavoured coffee drink instant powder according to nonwaste technology.
