I will be staying in Philadelphia next week, attending a slow food event at Headhouse Square. Since I've never been to Philadelphia (only passed through) I'd love some recommendations on local ethnic food (non-meat, but fish is okay). Also, any interesting places off-the-beaten-track that offer good food and value.
And anything you think I MUST SEE/SAMPLE.
I'm very fond of Italian and Asian-inspired food.
Thanks to you all-