This is as authentic as it gets. We come here whenever we're in the area.
It's not fancy by any means, but this place serves what I feel are authentic given my travels, and my own dumpling cooking as well. Not only are their dumplings good, but they have a wide variety of other foods available for order.
What's also nice is that the price level makes it affordable for visiting more often.
The authentic Chinese TV programming also makes for great conversation, entertainment, and laughter. Not that we understand a word of what they're saying, but it's funny enough on its own!