it's the law to eat one's own bodyweight in pasteis de nata at Belem. Also try http://www.cervejariaramiro.pt for croquetas, ham & fish
Dave P. replied:
The market: https://instagram.com/p/3J-ThMQ6tW/ the pork https://instagram.com/p/3KD0MAQ6nb/ - also find a Santini's for ice cream, it's very good
Melanie B. replied:
have a look at https://www.twitter.com/heidiswift 's instagrams from a couple of weeks back, looked like she ate v well in Lisbon
Dave P. replied:
http://www.timeout.com/city-guides/time-out-mercado-da-ribeira-lisbon/ - 20+ restaurants in there, had some sublime suckling pork from one (don't remember the name, sorry!)