Abstract: This experimental work included production of beef burger using beef meat only (control), textured soy granules replace 20 and 30 % of meat mass, sweet potatoes also replace 20 and 30 % of meat mass and mixture of textured soy granules and sweet potatoes (1:1) replace 30 % of meat mass. The incorporation of textured soy granules or sweet potatoes significantly improves the nutritional value, physicochemical and hygienic qualities of the product. The antioxidant effect of sweet potatoes significantly decreases the deterioration criteria in its extended formulations. Moreover, there was a significant improvement in the color, juiciness and tenderness of burger which formulated with sweet potatoes. Recognizable reduction in the formu...