First heat 1tsp oil in a pan,add onion,cabbage sabzi,carrot and sauté 4 to 5 mints.

Add black pepper,schewan sauce, and tomato sauce and mix very well.

After remove the mixture in the bowl and keep aside.

Take leftover rotties and place the mixture on the roties,Roll it well and with help of some 2-3mints.grill the roties until crispy and brown

Remove from the pan and cut the rotIies

Into wheel shape.Serve with any sauce.