Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
 500      gram          boiled potatoes -- peeled and diced
   1      cup           small cooked mixed vegetables -
                        (carrots -- beans, peas,
                        -- cauliflower)
     1/2  cup           chopped onions
     1/2  cup           ghee
   4                    green chiles -- slit and chopped
     1/2  inch          ginger -- sliced finely
 250      gram          tomatoes -- chopped
   1      teaspoon      red chile powder
   1      teaspoon      ginger garlic paste
                        salt -- to taste
   5      tablespoons   butter
   1      teaspoon      garam masala
   1      bunch         fresh coriander leaves -- chopped
   2      tablespoons   lemon juice
                        lemon wedges -- for garnish
   4                    pao buns -- halved

Preparation:

Heat ghee in a pan. Reserve 3 tsp. chopped onions for garnish and fry the remaining until light brown. Add green chiles, ginger and tomatoes and sauté over medium heat for 2-3 minutes. Reduce heat, then add the red chile powder, mixed vegetables and potatoes. With a metal spatula, simultaneously mash and stir for 5 minutes. While stirring, keep sprinkling the ginger garlic paste, dissolved in 6 tablespoons water. Add salt and two thirds of butter. Increase the heat and stir well. Sprinkle garam masala, coriander leaves, lemon juice and remove from heat. Garnish with remaining chopped onions. Apply the remaining butter on the bun-halves, place them on a pre-heated frying pan. Fry until golden brown on both sides. Serve with the bhaji and a lemon wedge.