Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
 250      gram          yams
   2      tablespoons   rice
   4                    red chiles
     1/2  teaspoon      cumin seeds
   1      sprig         coriander leaves
   1      pinch         asafetida
                        oil
                        salt -- to taste

Preparation:

1. Wash the yam, peel and cut into small pieces. 2. Soak rice for 2 hours. Drain out the water. 3. Grind the yam and rice together until thick and soft. Add salt, coriander leaves and asafetida. Mix. grind the chiles and cumin seeds. 4. Pour the oil in a frying pan. Take 2 tsps. of the paste in your fingers, pat in your palm to form the shape of a wada. Fry until golden brown. Serve with ketchup.