Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/2  pound         chickpea flour (Besan)
   1      teaspoon      salt
   1      teaspoon      red chile powder
   1      teaspoon      coriander seeds -- powder
     1/4  teaspoon      baking soda
     1/2  teaspoon      black pepper
   1      medium        egg -- beaten
   1      medium        onion -- chopped fine
   1      large         potato - cut into 1/4" cubes
                        oil for deep frying
                        water -- to make paste
                        optional ingredients:
                        spinach, eggplant, cabbage,
                        -- fresh chiles

Preparation:

Mix all dry ingredients in a bowl and add enough water to make a paste. Mix well. Take spoonful at a time from the bowl of paste and deep fry it in hot oil until golden brown.