I am a North Indian so idli dosa is not a native food for me, but I use my vitamix to blend up some rice and urad dal into a nice paste, ferment it in a preheat

I am a North Indian so idli dosa is not a native food for me, but I use my vitamix to blend up some rice and urad dal into a nice paste, ferment it in a preheated oven, and next day we have excellent dosa. I really like mine crispy so the key is to really cook it until it gets nice and crispy on a nonstick surface. Tastes great with a coconut based chutney, or even a nice Spicey peanut sauce.