A method for producing an edible composite of gas hydrate and ice is provided, the method comprising the steps of contacting an aqueous solution with carbon dioxide or nitrous oxide at a sufficiently high pressure to form a gas hydrate, but at a temperature preventing this； and then reducing the temperature of the solution to form the gas hydrate and ice； characterized in that the aqueous solution contains from 0.01 to 5 wt % of an aerating agent. Frozen confections containing gas hydrates and methods for producing them are also provided.
