It’s been a long wait but 7x7’s Big Eat is finally served. This year's list of 100 must-try dishes in San Francisco draws from a wide range of classic joints, trending restaurants, comforting neighborhood spots, and hole-in-the-wall favorites from Bayview-Hunters Point to North Beach, and Potrero Hill to the Outer Richmond. --- A handful of these dishes have long graced the Big Eat (think Zuni’s chicken, King Henry VIII cut at House of Prime Rib, orTadich Grill’s hangtown fry). Others...