The present invention relates to a method for manufacturing an edible oil, and an edible oil and a food each manufactured using the same, the method comprising the steps of: a) roasting vegetable raw materials using far-infrared radiation; b) subjecting the roasted vegetable raw materials to extraction to obtain an oil composition containing a first active ingredient; c) obtaining an extract containing a second active ingredient from a residue of the vegetable raw materials remaining after the extraction of the oil composition; and d) mixing the oil composition and the extract.