I looked it up, its a fruit!

I'll have to go soon ...hence another clue to speed things up - it's savoury rather than sweet. [I can't believe no-one has asked these obvious questions :-)]

I made some of this when I was a teenager. You remove the seeds from the marrow and fill it with brown sugar. Then you hang it in a pair of tights and put a bowl underneath to catch the liquor. It was the most disgusting thing I have ever tasted (among things that are meant to be tasted, anyway).
I place my curse on Snorgle by stating definitively that she simply has to be right.

oh chalky...

but getting closer - it's very common - I bet most of us use it

Shaken or stirred?

you got the right 'fruit'

someone - guess it - pleeeeeez

have gone blank on olivey things..

well done snorgs - I was thinking of the extra virgin type, but hey - what's an extra pressing between friends.
A quick post - mortem:
I can't help thinking that if the original questions had been more generic, ie. Is it a vegetable product? Can you drink it? Is it savoury/sweet? Is it grown in this country? .... we might have got there a bit quicker without doing the rounds of various fruits... but hindsight is always cleverer, and besides - I knew the answer, as I suspect Darren did [but was holding back] :-)

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Yay! I'm at work and its quiet so I should be able to keep an eye on this..

I'm not (any more), and can't, alas.

At lunch in the library, see you back at the office.

oh, someone answered, at last!

That's natural, isn't it?