Got some emailed recommendations here, and some more to add later, it's OK to post them up here isn't it? Do you mind? Cool... From here on these are not my words:
FogCity Diner which is near the Alcatraz ferry terminal and apparently is a bit of a SF institution!
Japantown was a real experience.
Paul Clarke's blog - I live in Hythe near Folkestone. Married + father to two, I am a full stack web developr, + I do js / Node, some ruby, other languages etc. I like pubs, parkrun, eating, home automation + other diy jiggery-pokery, history, genealogy, TV, squirrels, pirates, lego, + TIME TRAVEL.