Hamburger, because "coleslaw" is some random word suddenly imported out of nowhere, whereas a hamburger is a major food type and a huge part of American culture (and at this point, of the Universal culture).
Yes, I'm totally unfair here and essentially asking food fashion to get off my lawn, but that's why I wrote I'm only half-serious. Not all cases where I feel annoyed are 100% rational.
Coleslaw is to Hamburger as cabbage salad is to ?