I have tried many, many pupusa restaurants in LA in
search of perfection. The very best I have found is at
Gloria's Mexican/American Food, a pink shack at the
unlikely corner of Stoner and Mississippi in West LA.
I have found that the El Salvadorean food is great
(pupusas, Salvadorean tamales and platanos con crema)
while everything else is ok. It always amazes me when
people order hamburgers there! What other places are