I was disappointed. Service was very slow: it took over 45 minutes for the waitress to get hummus to the table and it was over two hours before we were served our entrees. The jalapeno hummus had no kick to it at all: it just tasted like regular hummus, nothing special. The chickpea salad had too much of a vinegar flavor for my taste. The roasted chicken was OK, but the juice that was served with it was sweet instead of savory, and I didn't care for it very much. The presentations were nice, but the flavor didn't hold up.
We were seated at a table with chairs, and after the first hour of waiting for our food, the seats were very uncomfortable. Our table was next to a carving station where they cut up the whole suckling pigs that are an option on the menu. While some people might enjoy watching a pig get carved up, we did not. And the smell of the roasted pig detracted from our experience.
Hearthstone was loud, had poor service, and mediocre food. We won't be back. There are too many other great places in Las Vegas for great meals.