The present invention provides a composition for enhancing imparting cheese flavor which is able to imparting cheese flavor to food, or to enhance food’s cheese flavor. Also, provided is a manufacturing method of the composition for enhanced imparting cheese flavor, and enhanced imparting method of cheese flavor for food anda manufacturing method of food with an enhanced imparting cheese flavor.The composition for enhanced imparting cheese flavor comprises an oxidative oil and fat as active ingredient, and the oxidative oil and fat has a peroxide value of 15~280 and comprises milk fat above 10 mass% and below 100 mass%. Also, provided is an enhanced imparting method of chees flavor for food by adding an oxidative oil and fat to food, and the oxidative oil and fat has a peroxide value of 15~280 and comprises milk fat above 10 mass% and below 100 mass%. Further, provided is a manufacturing method of food having an enhanced imparting cheese flavor, by adding the composition for enhanced imparting cheese flavor to food. They are, specifically, preferably suitable for food containing cheese.本發明提供對食品可賦予起司風味，或可將食品的起司風味增強之起司風味賦予增強用組成物。本發明也提供其起司風味賦予增強用組成物的製造方法，以及食品的起司風味賦予增強方法及起司風味經賦予增強食品的製造方法。本發明是以過氧化值是15至280，包含10質量%以上100質量%以下的乳脂的氧化油脂做為有效成分的起司風味賦予增強用組成物。再且，將過氧化值是15至280，含有10質量%以上100質量%以下的乳脂的氧化油脂添加於食品的食品的起司風味的賦予增強方法。再者，將其起司風味的賦予增強用組成物添加於食品之起司風味經賦予增強的食品的製造方法。這些特別是可適用於含有起司的食品。
