Tracey A.
Yelp
Besides the 5 stars, would it help you to know that I ate here 3 nights in a row?  
Would it help you to know that each and every 2-person meal I consumed here, including cerveza and/or Micheladas came in below $17?   
If I told you that they claim to have invented tacos el pastor?  
If I revealed that they're some sort of a chain?  (Well, that one probably wouldn't entice you but it might help to know that there's another branch, mere doors away from this one - though I liked this branch better.  I also spotted a branch in Coyoacan).  
It's all true.  I could've happily eaten here every night of my trip.  
There is something on their menu, under the category "Los Quesos Fundidos" listed as this:  ¿No que No? ($48MX; 3 to an order).  Were I imprisoned and sentenced to die I'd choose this as part of my final meal request.  A corn tortilla is topped with melty cheese and jalapeños are thrown into the mix.  Is there more to it than that? I don't know, for I was too busy scarfing them down.  
Other winners?  Everything, I'm certain.  After night number 1, Guacamole was on repeat as was the ¿No que No?, the Alambra Pastor Tacos ($23MX apiece), the straight up Al Pastor Tacos, and the Chorqueso Tacos (4 to an order; chorizo & cheese).  "Ah! Dorados" were very good, different, but we only sprung for them once.  "Flan as well.  About the only thing that didn't wow me was some spring onions cooked up in a tangy broth.  
A small tower of salsas and chips is delivered to your table gratis.  Refills can be requested but at this location, are often brought before a request can be made.  
If I ever return to Mexico City, this location of El Tizconcito will figure largely in my reasons.
Pure deliciousness.