In this study, therefore, we investigate the effect of yogurt supplementation with 1–3% lentil flour on acid production during fermentation, growth of yogurt starters, pH, syneresis, color, rheological and sensory properties of the final product immediately after production and during one month of storage. For a comparison study yogurt (skim milk as the base media for yogurt formulation), was also supplemented with 1–3% skim milk powder and also analyzed for all aspects as well as a non-supplemented control yogurt.