As to what to bring back from the UK, hahabogus suggests:
>clotted cream, irish bacon, lyle's golden syrup and of course clotted
>cream...
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I'm pretty sure you won't be allowed to bring back bacon. And I would question
about the cream. How many hours would it go without refrigeration? Quite a
few, 3 or 4 hours before boarding in UK, plus the flight, plus arrival in Us.