Regi vadiyalu are the best and healthy substitutes for flour biscuits and hot chips with its crunchiness and piquant and mild sweet flavours. These are made from regi pallu, green chilies, tamarind, jeera and palm jaggery. The finger-licking elantha vadai will be a wonderful snack for not only your children but also for all age groups with a combination of nutty and spicy flavors. Shelf life - 2 months