Best beef tacos and For sure best Tamales can be had in the back of El Mercadito next to Jambones, when the guatemateca is on duty anyhow. Try the banana leaf wrapped tamal, I usually dislike anything in a banana leaf but that tamal is dang good that way-- there are corn husked ones as well though.
I was so glad when I found this little spot a month or so ago. I had Never new it was there. I would have to agree. DELICIOSO! sp?