Take potato and cut into slices then wash it than after dry take a pan and add oil and 10-15 teaspoon then do deep fry potato

Then take another pan then add 2 teaspoon oil in pan then blend onion and tomato with blender

Then add in fry pan when tadka is shrink then add salt and red chilli powder then add fry potato in it mix it well dum aloo is ready it's yummy.