La Puerta ★ 4.0
La Puerta in San Diego is the Gaslamp Quarter Mexican kitchen on Fourth Avenue, the after-bar carne asada fries and Taco Tuesday institution that anchors downtown's late-night Mexican map.
Signature: Carne asada fries, Taco Tuesday, Margarita pitchers
Order: The carne asada fries to share; Taco Tuesday $3 tacos until close.
Tip: Open until 1am Fri-Sat, midnight other nights; the back patio runs heater-and-fan year-round.