1. Cook the potatoes and mash coarsely.
2. Mix all purpose flour, rawa, 4 tsp oil and 1/2 tsp salt in a dish and make a smooth dough.
3. Add all other ingredients to mashed potatoes and mix well.
4. Take the dough and make medium sized balls & rollouts like chappathis and place the filling lengthwise on that at one corner leaving little gap behind, gently roll from that corner to other end.
5. Seal with maida paste at that end & sides of the roll & deep fry till crisp & golden brown.

Serve hot with Tomato Ketchup.