FIELD: food industry.
SUBSTANCE: invention relates to the food industry, in particular to the process of producing coffee substitutes. The method provides for preparing the formula components, extracting tangerine zest using liquid nitrogen with correspondent miscella separation, cutting, drying in a microwave field at given process parametres and roasting chicory roots, roasting barley grains, oat grains and rye grains, mixing up the chicory roots with barley grains, oat grains and rye grains, impregnating the obtained mixture with the separated miscella while simultaneously increasing the pressure, then relieving the pressure to the atmospheric one, simultaneously freezing the mixture and subjecting it to cryogenic grinding in the environment of released nitrogen.
EFFECT: invention enables to obtain instant powder for making a flavoured coffee drink using a waste-free technology.
