FIELD: food industry.
SUBSTANCE: invention refers to technology of coffee substitutes production and, particularly to manufacturing of instant powder for flavoured coffee drink. Method provides for preparation of recipe components, extraction of green tea by liquid nitrogen with corresponding miscella separation, yacon cutting, drying in microwave field at preset process parametres and frying, acorns frying, mixing yacon and acorns, impregnation of obtained mixture by separated miscella is performed with simultaneous pressure boost and depressurisation till atmosphere pressure with simultaneous freezing of mixture and its cryomilling in medium of evolved nitrogen.
EFFECT: method makes it possible to produce new flavoured coffee drink from non-traditional raw materials according to wasteless technology.
