Nilakadala (also called Nilakkadalai) is the Malayalam/Tamil name for peanuts or groundnuts (Arachis hypogaea). It is a protein- and nutrient-rich legume, containing healthy fats, vitamins, and minerals. Nilakadala is used in snacks, curries, chutneys, sweets, and peanut oil, and is valued for its energy-giving and heart-healthy properties.