What American foods should footballers and fans try during the world cup?

The picture, which I'm sure is legit, is because my mate sent it to me, shows the England football team a week after landing in the USA.

The thing is, you can get fried chicken and burgers anywhere, and we Europeans have sophisticated palates and wish to satisfy our taste buds, sampling the exquisite gastronomical delights from the other side of the globe.

So point us in the right direction, which morsels will fill our mortal soul, what foods should the football fans feast upon?
What American foods should footballers and fans try during the world cup?
What American foods should footballers and fans try during the world cup?
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