There’s often a line. Are they “the best” TJ has to offer? I don’t know. What I do know is that some locals have told me they are, and some even say they’re among the best they’ve had anywhere in all of Mexico.
You can get ’em wrapped in corn husks or banana leaves. All kinds of fillings are available, even sweet/dessert like options, which are tasty too. Order, unwrap, sit there and enjoy while watching family members/friends/workers wrap up bunches more at the tables in the back.
What street is it on? Make a little effort, do a little research … you’ll find it!