PROBLEM TO BE SOLVED: To provide a frozen dessert in which excellent foaming property with stability is imparted and air is included and there is no pasty touch, and to provide a raw material for frozen dessert and a simple method for producing frozen dessert.SOLUTION: Provided are: a frozen dessert containing propylene glycol alginate ester, cyclodextrin and water and foamed to have a specific gravity of 0.40 to 0.85 a raw material for frozen dessert comprising ingredients of the above composition excluding water and a method for producing frozen dessert in which a raw material for frozen dessert is dissolved in water, cooled at 0°C or less, and foamed while stirring to have a specific gravity of 0.40 to 0.85.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】安定性を有する優れた起泡性を付与した、含気された糊状感のない冷菓、冷菓の素および冷菓の簡便な製造方法を提供する。【解決手段】アルギン酸プロピレングリコールエステルと、サイクロデキストリンと、水とを含み、起泡されて比重が0.40~0.85である冷菓。前記の組成から水を除いた成分からなる冷菓の素。冷菓の素を水に溶解して、0℃以下で冷却し、撹拌しながら起泡させて比重を0.40~0.85とする冷菓の製造方法。【選択図】なし