A process for preparation of an alcoholic beverage produced by mixing an alcoholic beverage base mix containing alcohol and at least one type of water-soluble substance with ice pieces in a proportion of 20:80 to 80:20, and conducting aeration, agitation and cooling so that the volume fraction of contained gas is in the range of 1 to 150% and the mixing temperature is lower than −1° C., thereby obtaining a gas-containing matter having an alcohol concentration of ≧1.0 vol. % and being fluid at −15° to −2° C., wherein fine ice pieces of 0.06 to 0.8 mm major axis length are present in an amount of at least 80 wt. % based on the total weight so that at least part of the fine ice pieces are sensed.
