*shrug* as best I can recall, it was broccoli

From The Tony Luke’s website:

Tony Luke’s Roast Pork Italian

The sandwich that put Tony Luke s on the map! Tony Luke s roast pork is slow roasted with a secret blend of herbs and spices. The result is juicy, garlicky pork which is sliced thin, topped with au jus, saut�ed broccoli rabe or spinach, sharp provolone and piled high on freshly baked bread.