Sweet Potato Barfi is a delicious and healthy Indian sweet made with sweet potatoes, milk, sugar, and flavored with cardamom and nuts. It is a perfect dessert for festive occasions or as a sweet treat. The sweet potatoes are cooked in milk until soft and then mashed. Sugar, cardamom, and nuts are added to the mixture and cooked until it thickens. The mixture is then spread in a greased tray, cooled, and cut into squares. Serve these sweet and creamy barfis as a dessert or as a gift during festivals.