I made these Mushrooms Cabbage Shanghai Lumpias during Super Bowl along with bacon-peas fried rice and shrimp & veggies stir-fry. I laughed at the irony of cooking Asian dishes on the most American day in America. I'm a 'rebel' that way, I guess. Anyhooo, if you're asking why these are called Shanghai Lumpias or Lumpiang Shanghai, my answer is, I really have no idea. They could just as easily be called lumpias or eggrolls. But ...