I like tacos; I like Philadelphia. Help me compile this list
  1. Heffe taco - Fishtown
  2. Loco Pez - Fishtown
  3. Cantina - East Passayunk
  4. El Vez - Center City
  5. El Rey near Rittenhouse
    Try the carnitas with avocado, they're to die for
    Suggested by @k8mcgarry
  6. Los Camarados
    In Grad Hospital, 22nd & Carpenter
    Suggested by @imtanjab