Make sure the fish is nice and dry and sprinkle with salt to draw out all the moisture
Cut the potatoes and keep immersed in water
Rinse under running water to remove excess starch
Boil for 15 - 20 mins in salted water then drain and cool
Once dry and cool deep fry the potatoes and keep aside
Prepare the batter by first adding water to the flours and whisking to remove all lumps
Add all the other powdered and whole spices, salt and pepper and if it’s thick add more water
Dip the fish in the batter and deep fry on both sides till cooked in the same oil
Once the fish is done, fry the potatoes for the second time to get super crispy.