I used to like El Abuelo Restaurant for home cooked style mexican chow in a sit down nice place at a very low price. I have only been once since the family that owned it sold it. I hope it is still good.
There is also El Gallo Giro for a pretty quick lunch.
El Abuelo Restaurant
452 N Maclay Ave.
San Fernando, CA
Tel: (818) 365-8283