[Technical Problem] To provide a method for imparting an aroma and/or flavor to a food product. [Solution to Problem] An aroma and/or flavor imparting composition containing any of (i) decanoic acid, (ii) octanoic acid and (iii) any one or more of acetol, furfural, methyltetrahydrofuranone and 2-acetyl-5-methylfuran, wherein when the amount of (i) the decanoic acid to be incorporated is A parts by weight, the amount of (ii) the octanoic acid to be incorporated is B parts by weight and the total amount of (iii) acetol, furfural, methyltetrahydrofuranone and 2-acetyl-5-methylfuran to be incorporated is C parts by weight and also when a calculation is made to give A+B+C=100, then the addition to the beverage/food product is conducted to give a formulation shown by 0‰¤A‰¤60, 0‰¤B‰¤100, 0‰¤C‰¤100, 3A+B‰¤180.[과제] 식품에 향기 및/또는 풍미를 부여하는 방법을 제공하는 것.[해결 수단] (i) 데칸산, (ii) 옥탄산, (iii) 아세톨, 푸르푸랄, 메틸테트라하이드로푸라논, 2-아세틸-5-메틸푸란 중 어느 1종 이상 중 어느 하나를 함유하는 향기 및/또는 풍미 부여 조성물이며, (i) 데칸산의 배합량을 A중량부, (ii) 옥탄산의 배합량을 B중량부, (iii) 아세톨, 푸르푸랄, 메틸테트라하이드로푸라논, 2-아세틸-5-메틸푸란의 합계 배합량을 C중량부로 했을 때, A+B+C=100이 되도록 환산했을 때, 0≤A≤60, 0≤B≤100, 0≤C≤100, 3A+B≤180이 되도록 배합하는 것.
