FIELD: food industry.
SUBSTANCE: invention is intended for use in food industry and may be realised in production of coffee substitutes. Method provides for preparation of formula components, extraction of green tea with liquid nitrogen to separate according miscella, yacon cutting, drying in microwave field at specified parametres of the process and frying, frying of grape seeds, mixing of yacon and grape seeds, impregnation of produced mixture with separated miscella with simultaneous increase of pressure, pressure collapse down to atmospheric one with simultaneous freezing of mixture and its cryo-grinding in medium of released nitrogen.
EFFECT: invention provides for production of instant-powder of flavoured coffee drink using wasteless technology.
