FIELD: food industry.
SUBSTANCE: invention relates to food industry, namely to the manufacturing technique of coffee substitutes. Method implies preparation of the recipe components, extraction of fennel by liquid nitrogen with the respective miscella separation, yacon cutting, drying in microwave field at preset process parametres and frying, barley and rye grains frying, mixing of yacon, barley and rye grains, impregnation of the obtained mixture by the separated miscella with the simultaneous pressure boost and following reduction of pressure down to the atmospheric one along with simultaneous freezing of the mixture and its cryogrinding in the released nitrogen medium.
EFFECT: method allows for the production of flavoured coffee drink instant powder out of unconventional raw material according to nonwaste technology.
