PROBLEM TO BE SOLVED: To provide a manufacturing method of a fermentation flavor liquid capable of adding unprecedented flavor excellent in balance of rich umami and full bodies taste, unprecedented aroma and fermentation flavor, especially aroma and fermentation flavor by lactic acid bacterium or the like to various foods such as bakery foods, and a manufacturing method of various foods such as bakery foods using the fermentation flavor liquid manufactured by the method.SOLUTION: There are provide a manufacturing method of a fermentation flavor liquid including (i) a process for heat treating a fermentation raw material in presence of reducing sugar and (ii) a process for fermenting the resulting heat treated product as a fermentation raw material by yeast and/or lactic acid bacterium, and a manufacturing method of foods using the fermentation flavor liquid manufactured by the manufacturing method of the fermentation flavor liquid.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】ベーカリー食品等の各種食品に濃厚なうまみ及びコク味と、これまでにない香ばしさ・発酵風味、特に香ばしさと乳酸菌等による発酵風味のバランスに優れたこれまでにない風味を付与し得る発酵風味液の製造方法、及び当該方法で製造される発酵風味液を用いるベーカリー食品等の各種食品の製造方法を提供する。【解決手段】(i)酵母素材を還元糖の存在下において熱処理する工程、及び(ii)得られた熱処理物を発酵原料として、酵母及び/又は乳酸菌で発酵させる工程、を含む発酵風味液の製造方法、及び前記発酵風味液の製造方法により製造される発酵風味液を用いる食品の製造方法である。【選択図】なし