 German settlers arriving in the 19th century brought foods like wienerschnitzel, sauerbraten, potato pancakes, rouladen, bratwurst, liverwurst.hasenpfeffer, liver dumplings, cakes like Black Forest cake, Lebkuchen and Schnecken, strudel and cookie recipes like Sandbakelse and Pfeffernüsse.The horseshoe sandwich is rarely seen outside Springfield, Illinois where it originated.