While in Frederick for a few days I wanted to make sure I made my way here to try the pupusas I always hear so much about. I was NOT disappointed!!! It's impossible to find these in Pittsburgh and now I'm going to have to come back here just to eat them again! The enchiladas were smothered in cheese and soooooo delicious! Would highly recommend Los Trios for anyone looking for an authentic Salvadoran experience! read more