However, if you hail from southeastern Massachusetts, you might think otherwise, because you've probably encountered the regional specialty that is the chow mein sandwich. The sandwich name is ...

Ladle chow mein on top and serve immediately. Don’t forget the silverware and lots of napkins. Recipe from The Encyclopedia of Sandwiches by Susan Russo/Quirk, 2011.

From the sauce and the noodles to how these popular Chinese dishes are prepared, these are the key differences between chow mein and lo mein.