You can get bacon flavour
en.wikipedia.org/wiki/Skips_(snack)and cheese flavour and once there was a pickled onion flavour.
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Moon Girl Technologies horrendous beanbag, Wed 3 Jun 2009, 17:59,
archived)
Ah, I vaguely remember the bacon ones.
I don't think I've ever eaten them, though.
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Esme Weatherwax I swear on my tash it's daycent hash, Wed 3 Jun 2009, 18:06,
archived)