Mushroom Fortified Instant Rasam Mix Mushrooms, a rich source of proteins superior to most common fruits and vegetables with the exception of beans and peas provide 29% of the recommended daily intake (RDI) for vitamin B2 (riboflavin) and 23% of the RDI for niacin and are the only natural vegetarian source of vitamin D. Mushrooms are a better source of iron as compared to vegetables and thus can be an effective tool to mitigate iron malnutrition in the country. Due to their low glycemic index and zero cholesterol, they are specially recommended for diabetics and cardiac health. They are also the source of various bioactive substances which have antibacterial, antifungal, antiviral, antioxidant, anti-inflammatory, antiproliferative, anticancer, hypocholesterolemic, anticoagulant and hepatoprotective, properties. The Mushroom Research laboratory at ICAR-IIHR, Bengaluru, India, has developed a robust technology called Mushroom Fortified Instant Rasam mix, a value added product for enhancing the nutrition in the daily diet of the urban and rural population. This product has been standardized with an objective to add nutrition to a daily diet product ‘Rasam’ used daily in every South Indian home. Daily intake of this product will not only help in enhancing nutrition but can also enhance income of rural women who can start an entrepreneurial activity of producing this product as cottage industry. Since the mushroom fortified instant rasam mix is made from dehydrated oyster mushrooms; it can also be an important technology to solve the short shelf life of oyster mushrooms and enhance oyster mushroom production in India.