The Chron's Top 100 features two Mexican restaurants within San Francisco (four if you factor in two Nopalito locations and the fact that Mamacita/Padrecito are different places). Back in the old days, La Taqueria would be the token burrito/taco parlor on the list and still deserves all of its local and national accolades. But really, just two?? So let’s recognize the veteran classic Gallardo's. There's nothing glitzy about the atmosphere or cooking, which's fine since you’re just here to eat enchiladas and burritos on weekdays, and menudo and birria soups during weekend brunch.