OP, I see from your profile you are Norweigan. A country in which I was exposed to what I thought were a Haribo Tangfastics equivalent, only to discover they were not coated in sugar, but salt.
Any nation which would do such a thing to haribo, loses its right to comment on food.
All joking aside, I have a few favourites hailing from American stores (we used to have a PX when I lived in Germany, for the American troops), Beef Jerky and Mountain Dew being the main ones.
Things that they don't do well, are chocolate (The Hershey company can go fuck itself, it's never seen chocolate in it's life), Beer*, and Milk (American milk tastes weird. I honestly don't know how given I'm assuming it's produced more or less the same way ours is (i.e. from a cow), but it just tastes weird.).
Of course, we've got a few crazy fucked up foods here in Britain too... Marmite is the devil, and Cheese and Onion pasties are sweaty, oniony abortions of an idea, not worthy of the glorious name of Pasty.
*Sierra Nevada makes a fucking cracking range of beers, everything else they drink is pisswater.
Tl

r:
Fuck you, Beef Jerky is second only to Biltong in meaty goodness.