In Bangalore, they tend to be thick and dark, often with a dash of butter skiing down its hot surface. Sambhar is de rigueur in Chennai. In Bangalore, you have to ask for it… On the east, as you step into dry and rocky Rayalaseema region of Andhra Pradesh, you have to be prepared for a sharp bite in your tongue thanks to a generous smear of “gun powder” on the softer side of the dosa.

— An excerpt from the dosa/thosai gentrification