What "American" foods exist in other countries?

I googled for "amerikanische kartoffeln" (American
potatoes), and found lots of hits, oddly most of
them in Czechia. I've only found low-resolution
images, so I really don't know what it is.

I've also found an "amerikanische salat" (I don't
know what sort of salad that is) and an "amerikanische
kartoffelsalat" (which, presumably, contains
brown sugar).