Provided is an art that imparts, to a hardened solid fat composition that contains a finely ground plant material, an excellent taste and an improved appearance that is free of the unevenness associated with crystallization of the solid fat in the hardening process therefor. Plant particles are subjected, in the presence of a solid fat that has been liquefied with heating, to a fine grinding treatment until the average particle diameter reaches 25 [mu]m or less, after which the solid fat is hardened by cooling.本發明提供一種對含有植物微粉碎物之固體油脂硬化物組合物賦予無伴隨其硬化過程中之固體油脂之結晶化而產生之不均之外觀改善及優異之食味的技術。本發明係於在加溫下經液化之固體油脂之共存下，對植物粒子進行微粉碎處理至平均粒徑成為25 μm以下後，進行冷卻而使固體油脂硬化。
