Sesame (Sesamum indicum L.) is the most important and oldest crop on the globe. sesame has good shelf life properties and these properties are due to occurrence of sesamol that has antioxidant potential. the current study was formulated to study the effect of partial substitution of fat with sesame oil at different levels, its effect on physico-chemical, nutritional and sesory characteristics of doughnuts. The results showed that the seed contained oil content 51.9%, 1.09% free fatty acid, iodine value 110 (gI2/100g), refractive Index 1.46, specific gravity (g/cm3) 0.915, smoke point 177oC...