FIELD: food industry.
SUBSTANCE: invention relates to technology used to produce coffee substitutes. Method provides for preparation of recipe ingredients, extraction of lemon rind by liquid nitrogen with corresponding miscella separation. Then yacon is cut, dried in microwave field at preset process parametres and roasted; acorns are roasted; yacon and acorns are mixed; the obtained mixture is impregnated by separated miscella with simultaneous pressure boost. Depressurisation till atmosphere pressure with simultaneous freezing of mixture and its cryomilling in medium of evolved nitrogen follow.
EFFECT: method makes it possible to produce new flavoured coffee drink from non-traditional raw materials according to wasteless technology.
