L'Avenida is an excellent option to the Mission area taquerias if you're in the Sunset District. Their super burritos are top notch, especially their carnitas. The burritos contain rice, which some may not like. I like how they have a variety (40 cents surcharge) of tortillas, such as whole wheat, spinach, etc. They also don't use lard and you can choose between regular beans or black beans. Entrees such as chile verde and mole are amazingly good and they're tortilla chips somehow taste homemade! They also have a few different aqua frescas, horchata, and fresh made sangria. Love the nicely decorated, clean dining area too.