Jam, perhaps, but not much butter (6)

I believe the answer is:

scrape

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'jam' is the definition.
(both can mean a difficult situation)

I don't understand the rest of the clue.

(Other definitions for scrape that I've seen before include "A tricky spot" , "Graze the skin" , "What violinist does" , "Rub; (bow and) be humble" , "pickle!" .)

I've seen this clue in the Evening Standard.

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