[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.
