FIELD: food industry.
SUBSTANCE: invention relates to technology used to produce coffee substitutes. Method provides for preparation of formula components, extraction of fennel with liquid nitrogen to separate according miscella, cutting, drying in microwave field at specified parametres of the process and frying of yacon, frying of rye grain, mixing of yacon and rye grain, 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: method makes it possible to produce new flavoured coffee drink from non-traditional raw materials according to wasteless technology.
