Don't forget bread. Whenever I travel to the US I'm appalled by what is considered good bread there. Not throwing shade here, it's just what it is. On the flipside, buying Avocados here in Germany is akin to a crime against humanity.
One of my pet peeves is how Germans have amazing bread, but then put the blandest possible stuff (like very tasteless Cheese, and one leaf of salad) on top of it, while Italians have great stuff to put on bread but the bread itself is so boring.