>>21433767
yes they do for obvious reason. a sandwich is defined as something between toast bread. a burger is defined as something in a burger bun. a hot-dog is defined as something being in as hot-dog bun.
if you put a schnitzel into a regular roll, then you have a schnitzelbrötchen. but if you put the schnitzel in a burger roll, then you have a schnitzelburger. it's easy, it's logical, it's efficient. now go and buy that audi