Potato 1 big (boiled)
Onion 1 (finely chopped)
Tomato 1 (Finely chopped)
Raw Mango 1/4 cup(finely chopped)
Turmeric 1/2 tsp
Chaat masala 1/4 tsp
Boil, peel the outer skin of potato and mash them in a bowl add little salt and turmeric and mix well form like small balls and slightly press and keep aside.
In a mixing bowl mix other ingredients mix well and stuff in the potato and garnish with sev.
You can add chaat chutneys and sweet corn also to get a varied taste.