Kathmandu Cafe, San Francisco

Okay, so this is technically Nepalese food but it's more or less Indian. This is about as non commercial and home style as an Indian restaurant can get. The food is delicious, very high quality and less oily than most restaurants. I recommend it highly. Try the butter chicken, the prawn curry, potato-cauliflowers, lamb-spinach and the assortment of breads and you'll come back again and again.