Boil,peel and mash or grate the potatoes.
Heat oil in a non stick pan or heavy boottom pan and add cumin seeds .
When it start crackling add ginger,turmeric and mashed potatoes and saute for a minute on medium heat.
Now add all the spices and saute for 2 minutes on low heat
Take out the potato mixture in a bowl and mix chopped coriander,bread crumbs and let it cool down .
In a big bowl add refined flour, salt, lemon juice and oil.rub with your finger tips to mix it well
Now add some water and make a medium stiff dough.cover and rest for 15 minutes
Take 2 tbsp of corn flour or maida and mix with water and make a thin slurry,keep aside
Knead the dough again and equal sized balls of ping pong size balls .
Roll the balls to make thin chapatis
Then apply a thin layer of potato mixture on the chapati by spreading evenly with a spoon.
Roll tightly and make a cylinder and then slice it with a sharp knife.
Take a slice and gently press between your palms to seal it.repeat this with all the slices.
Heat enough oil in a deep wide pan and deep fry the spirals on medium heat till golden in colour.(Dip the slices in the cornflour slurry before frying )
OR- brush with oil and bake in oven or air fryer on 200 c temp. till crisp and golden.
When the pinwheels turn golden and crisp from both the sides then drain on a tissue paper and serve hot
Best served with mint chutney and tomato ketchup.