Mongolian Beef-less Tips

Crispy Beef, Sesame Beef, Mongolian Beef...  These three dishes can sometimes be interchanged for one another.  A restaurant my family orders from calls Crispy Beef what another calls Mongolian Beef, what ANOTHER restaurant calls Sesame Beef.  This became particularly confusing when we'd forget which dish went with which restaurant.  I thought I'd go for Mongolian Beef to see if it was like my dad used to order... Did I get it? Find out!