Pad Chinese doesn't have the same ring to it, but it might be a bit more accurate. Pad Thai, the now-ubiquitous noodle dish made with chewy, stir-fried rice noodles, vegetables, bean sprouts, peanuts, and egg, among other things, is so popular it’s become the de facto measure by which Thai restaurants in New York, London, and other storefronts around the world are judged. But not too long ago, it could hardly be found in Thailand.