Abstract: An open topped drinking vessel containing a beverage, the beverage comprising a water content and a dissolved gas content and having a head overlying an ice formation made of many ice crystals, the ice formation having been produced by ice formed in the beverage whilst the beverage is in the drinking vessel.

Abstract: A draught beverage (170) which may be alcoholic or non-alcoholic, for example a lager or cider in an open-topped drinking vessel or glass (172). The beverage comprises a water content and dissolved gas content. The draught beverage is dispensed from a font at a cooled temperature below the freezing point of water at ambient atmospheric pressure. The dispense temperature may be in the range of −1° C. to −12° C. The beverage in the glass may or may not be subjected to external excitement energy, for example ultra-sound, to encourage formation of nucleation sites in the beverage. Either way dissolved gas bubbles out of the beverage causing occurrence of nucleation sites at which ice (188A, 188B) from the water content forms. At least in part the ice has a slushy character. A head (174) also forms on the dispensed draught beverage and below the head the ice (188A,188B) locates and develops downwards into the beverage.