To start with assemble everything needed
2) mince one tomato( remove the seeds inside), half a red onion, one green chilli( removed the seeds of you do not want it spicy)and few chopped coriander leaves.add salt and pepper to taste.
3) For the chicken filling rehydrate a cup of left over grilled chicken with 1/4 th cup of chicken stock.use a teaspoon of butter and sauté the chicken with a teaspoon hot sauce, and a teaspoon of ketchup , ( or any other spices you like)salt and pepper before adding the stock if needed.
the first time I made it I used left over shredded Indian tandoori chicken pieces so no need to add any more spices - it works really well with the roll and is my favorite.
to start assembling the roll-
4) once the pan is hot enough beat an egg with salt ,pepper and a splash of milk and spread and pour it on to a round pan that can fit the flour tortilla.immediately place the cooked tortilla on the egg and let it stick to it .