[Problem] To provide a sweetener for obtaining a food and beverage that more closely approximates a food and beverage in which sucrose is used than a food and beverage in which sugar alcohol or an intense sweetener is used. In other words, to provide a sweetener having satisfactory sweetness similar to sucrose, and to provide a food and beverage with low saccharide or sucrose free, and having a quality of taste approximate to when sucrose is used, there being no adverse effect on the flavor of the food and beverage.[Solution] Provided are: a sweetener having a sucrose-like sweetness, comprising sugar alcohol and/or an intense sweetener, and a yeast extract containing a peptide; and a food and beverage containing the sweetener.