Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   6                    boiled potatoes
   3                    green chillies -- chopped
     1/2  teaspoon      dry ginger powder
   1      teaspoon      mango powder -- (amchur)
   1      teaspoon      chilli powder
   1      teaspoon      turmeric powder
   2      teaspoons     sugar
   1      teaspoon      cumin seeds
     1/4  teaspoon      asafetida
   1      cup           coriander leaves -- chopped
                        oil
                        salt -- to taste

Preparation:

A recipe from Uttar Pradesh. Peel and cube the potatoes. Mash them slightly. Keep aside. Heat 4 tbsps oil. Add asafetida and cumin seeds. When they pop, add the mashed potatoes, turmeric, ginger, mango powder, sugar and salt. Add water to make into a thin gravy. Remove from the fire. Heat 1 tbsp oil. When it is hot, pour it over the potatoes and immediately sprinkle with chilli powder and coriander leaves. Serve with puris.